[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3875":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":12,"weighting":13,"nolocadd":14,"blacklisted":14,"mindat_formula":15,"mindat_formula_note":16,"ima_formula":15,"elements":17,"sigelements":22,"key_elements":11,"impurities":23,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":28,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":34,"dana8ed3":35,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":38,"spacegroupset":39,"a":40,"b":41,"c":42,"alpha":43,"beta":44,"gamma":45,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":38,"csmetamict":14,"commentcrystal":46,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":47,"tlform":11,"hmin":48,"hmax":48,"hardtype":49,"vhnmin":39,"vhnmax":39,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":50,"dmeas2":51,"dcalc":52,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":53,"lustretype":54,"commentluster":11,"diapheny":55,"streak":56,"colour":57,"commentcolor":11,"colors":58,"streak_colors":64,"luminescence":11,"uv":65,"cleavage":66,"cleavagetype":67,"fracturetype":68,"tenacity":69,"commentbreak":70,"opticaltype":71,"opticalsign":72,"opticalalpha":73,"opticalalpha2":74,"opticalalphaerror":11,"opticalbeta":75,"opticalbeta2":76,"opticalbetaerror":11,"opticalgamma":75,"opticalgamma2":77,"opticalgammaerror":11,"opticalomega":39,"opticalomega2":39,"opticalomegaerror":11,"opticalepsilon":39,"opticalepsilon2":39,"opticalepsilonerror":11,"opticaln":39,"opticaln2":39,"opticalnerror":11,"optical2vcalc":39,"optical2vcalc2":78,"optical2vcalcerror":11,"optical2vmeasured":39,"optical2vmeasured2":79,"optical2vmeasurederror":11,"rimin":80,"rimax":81,"opticaldispersion":82,"opticalpleochroism":83,"opticalpleochorismdesc":84,"opticalbirefringence":85,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":86,"other":11,"industrial":87,"occurrence":11,"otheroccurrence":88,"type_specimen_store":11,"description_short":89,"aboutname":90,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":91,"reviewed_at":11,"variety_of":11,"varieties":92,"group_members":102,"associates":132,"confused_with":183,"type_localities":185,"occurrence_total":186,"citations":187,"images":311,"structures":772,"synonyms":801,"language_names":825,"wikidata_qid":1153,"texts":1154},3875,"1:1:3875:7","b88f9c97-c005-4660-b339-dc95c160c932","Talc","Tlc",0,"mineral",null,39702,10981,false,"Mg\u003Csub>3\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","May contain variable amounts of minor Fe, Al and F.",[18,19,20,21],"Mg","Si","O","H",[18,19,20,21],",Ni,Fe,Al,Ca,Na,H2O,","14.4.9",[26,27],"APPROVED","GRANDFATHERED","1546","9","E","C","05","71","2","1","3","Triclinic",2,"0","5.29","9.173","9.46","90.46","98.68","90.09","The 1A polytype has C-1 setting. Pseudo-monoclinic.","Euhedral crystals are extremely rare, usually found in platy, foliated to fine-grained compact masses, sometimes has a radial appearance.",1,4,"2.58","2.83","2.78","Waxy, Greasy, Resinous","Sub-Vitreous,Resinous,Waxy,Greasy,Pearly","Transparent,Translucent","White","Colorless, white, pale green, bright emerald-green to dark green, brown, gray",[59,60,61,62,63],"white","colorless","green","brown","gray",[59],"Not usually fluorescent.","on {001}","Perfect","Fibrous,Micaceous","sectile","Flexible but not elastic. Feels slippery or greasy to the touch.","Biaxial","-","1.538","1.55","1.589","1.594","1.6","38","30",1.538,1.6,"r > v perceptible","Weak","Only visible in dark varieties.","0.05","Stable to about 900° Celsius.","Filler in paints, rubber. In cosmetics and as a lubricating dusting powder.","Schists and steatite through hydrothermal alteration of mafic rocks. Low-temperature metamorphism of siliceous dolomites.","Almost always in foliated masses ranging from white to beautiful bluish green. Usually found in metamorphic rocks with abundant carbonate minerals associated.\r\n\r\nChemically similar to Serpentine Subgroup (Mg-richer, with Mg:Si = 3:2).\r\n\r\nThe Mg analogu...","Allegedly named in 1546 by Georgius Agricola (Georg Bauer) from Arabic \"talq\", pure, probably alluding to the color of its powder.","2025-09-28 18:52:43",[93,97],{"id":94,"name":95,"entrytype":38,"csystem":11,"ima_formula":11,"mindat_formula":96,"hmin":11,"hmax":11,"dmeas":39,"dcalc":39,"primary_image_id":11},10235,"Gavite","Mg\u003Csub>4\u003C\u002Fsub>Si\u003Csub>5\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> ?",{"id":98,"name":99,"entrytype":38,"csystem":11,"ima_formula":11,"mindat_formula":100,"hmin":11,"hmax":11,"dmeas":39,"dcalc":39,"primary_image_id":101},3755,"Steatite","Mg\u003Csub>3\u003C\u002Fsub>(Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>",89363,[103,112,118,125],{"id":104,"name":105,"entrytype":9,"csystem":106,"ima_formula":107,"mindat_formula":107,"hmin":108,"hmax":38,"dmeas":109,"dcalc":110,"primary_image_id":111},1498,"Ferripyrophyllite","Monoclinic","Fe\u003Csup>3+\u003C\u002Fsup>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)",1.5,"2.97","3.05",8635,{"id":113,"name":114,"entrytype":9,"csystem":37,"ima_formula":115,"mindat_formula":115,"hmin":108,"hmax":38,"dmeas":116,"dcalc":109,"primary_image_id":117},2722,"Minnesotaite","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","3.01",16332,{"id":119,"name":120,"entrytype":9,"csystem":37,"ima_formula":121,"mindat_formula":121,"hmin":48,"hmax":38,"dmeas":122,"dcalc":123,"primary_image_id":124},3323,"Pyrophyllite","Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","2.65","2.81",20312,{"id":126,"name":127,"entrytype":9,"csystem":106,"ima_formula":128,"mindat_formula":128,"hmin":38,"hmax":38,"dmeas":129,"dcalc":130,"primary_image_id":131},4293,"Willemseite","Ni\u003Csub>3\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","3.31","3.348",8262,[133,143,149,157,166,175],{"id":134,"name":135,"entrytype":9,"csystem":106,"ima_formula":136,"mindat_formula":137,"hmin":138,"hmax":139,"dmeas":140,"dcalc":141,"primary_image_id":142},18,"Actinolite","◻Ca\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>4.5-2.5\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>0.5-2.5\u003C\u002Fsub>)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","◻Ca\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>4.5-2.5\u003C\u002Fsub>Fe\u003Csub>0.5-2.5\u003C\u002Fsub>)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",5,6,"3.03","3.07",28994,{"id":144,"name":145,"entrytype":9,"csystem":106,"ima_formula":146,"mindat_formula":147,"hmin":48,"hmax":38,"dmeas":39,"dcalc":39,"primary_image_id":148},115,"Aliettite","Ca\u003Csub>0.2\u003C\u002Fsub>Mg\u003Csub>6\u003C\u002Fsub>(Si,Al)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>0.2\u003C\u002Fsub>Mg\u003Csub>6\u003C\u002Fsub>((Si,Al)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O",661,{"id":150,"name":151,"entrytype":9,"csystem":152,"ima_formula":153,"mindat_formula":153,"hmin":154,"hmax":49,"dmeas":109,"dcalc":155,"primary_image_id":156},148,"Althausite","Orthorhombic","Mg\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH,O)(F,◻)",3.5,"2.91",919,{"id":158,"name":159,"entrytype":9,"csystem":152,"ima_formula":160,"mindat_formula":161,"hmin":162,"hmax":139,"dmeas":163,"dcalc":164,"primary_image_id":165},254,"Anthophyllite","◻Mg\u003Csub>2\u003C\u002Fsub>Mg\u003Csub>5\u003C\u002Fsub>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","◻Mg\u003Csub>2\u003C\u002Fsub>Mg\u003Csub>5\u003C\u002Fsub>(Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>",5.5,"2.85","3.67",1546,{"id":167,"name":168,"entrytype":9,"csystem":169,"ima_formula":170,"mindat_formula":171,"hmin":138,"hmax":138,"dmeas":172,"dcalc":173,"primary_image_id":174},1992,"Hydroxylapatite","Hexagonal","Ca\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>OH","Ca\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>(OH)","3.10","3.16",60353,{"id":176,"name":177,"entrytype":9,"csystem":106,"ima_formula":178,"mindat_formula":179,"hmin":139,"hmax":139,"dmeas":180,"dcalc":181,"primary_image_id":182},4363,"Yoderite","(MgAl\u003Csub>3\u003C\u002Fsub>)(MgAl)Al\u003Csub>2\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","Mg(Al,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>3\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O(OH)","3.39","3.33",28516,[184],{"id":113,"name":114,"entrytype":9,"csystem":37,"ima_formula":115,"mindat_formula":115,"hmin":108,"hmax":38,"dmeas":116,"dcalc":109,"primary_image_id":117},[],3468,[188,191,195,200,205,209,214,219,222,226,231,236,240,245,250,254,258,263,267,272,277,282,287,292,297,302,307],{"id":189,"year":11,"html":190,"doi":11},16091852,"De natura fossilium - Lib. I-X",{"id":192,"year":193,"html":194,"doi":11},16121191,1778,"Bras-de-Fer, L. (1778) (84) Terre (Élément). in: Explication Morale du Jeu de Cartes; Anecdote Curieuse et Interessante, (Bruxelles), 99-100.",{"id":196,"year":197,"html":198,"doi":199},104952,1934,"Gruner, John W. (1934) The Crystal Structures of Talc and Pyrophyllite. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  88 (1). 412-419 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1934.88.1.412'>doi:10.1524\u002Fzkri.1934.88.1.412\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol88\u002FZK88_412.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1934.88.1.412",{"id":201,"year":202,"html":203,"doi":204},105524,1938,"Hendricks, Sterling B. (1938) On the Crystal Structure of Talc and Pyrophyllite. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  99 (1). 264-274 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1938.99.1.264'>doi:10.1524\u002Fzkri.1938.99.1.264\u003C\u002Fa>","10.1524\u002Fzkri.1938.99.1.264",{"id":206,"year":207,"html":208,"doi":11},16125084,1948,"Avgustinik, A.I. and Vigderganz, V.S. (1948) Properties of talc during heating. Ogneupory: 13: 218-227.",{"id":210,"year":211,"html":212,"doi":213},4081233,1960,"STEMPLE, IRENE S., BRINDLEY, G. W. (1960) A Structural Study of Talc and Talc-Tremolite Relations. \u003Ci>Journal of the American Ceramic Society\u003C\u002Fi>, 43 (1). 34-42 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1111\u002Fj.1151-2916.1960.tb09149.x'>doi:10.1111\u002Fj.1151-2916.1960.tb09149.x\u003C\u002Fa>","10.1111\u002Fj.1151-2916.1960.tb09149.x",{"id":215,"year":216,"html":217,"doi":218},5722553,1964,"Krönert, W.; Schwiete, H. E.; Suckow, A. (1964) Über das thermische Verhalten von Speckstein und die Stabilität der MgSiO3-Modifikationen. \u003Ci>Die Naturwissenschaften\u003C\u002Fi>,  51 (4). 85-86 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00635390'>doi:10.1007\u002Fbf00635390\u003C\u002Fa>","10.1007\u002Fbf00635390",{"id":220,"year":216,"html":221,"doi":11},16125086,"Krönert, W., Schwiete, H.E., and Suchow, A. (1964) Das thermische Verhalten von Speckstein und die Stabilität der Magnesiummetasilikat-Modifikationen. Ziegelindustrie: 17: 364-369.",{"id":223,"year":224,"html":225,"doi":11},16125088,1968,"Bošković, S.B., Gašić, M.Č., Nikolić, V.S., and Ristić, M.M. (1968) The structural changes of talc during heating. Proceedings of the British Ceramic Society: 10: 1-12.",{"id":227,"year":228,"html":229,"doi":230},145111,1973,"Rayner, J. H., Brown, G. (1973) The Crystal Structure of Talc. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>,  21 (2). 103-114 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1346\u002Fccmn.1973.0210206'>doi:10.1346\u002Fccmn.1973.0210206\u003C\u002Fa>","10.1346\u002Fccmn.1973.0210206",{"id":232,"year":233,"html":234,"doi":235},109943,1981,"Perdikatsis, B., Burzlaff, H. (1981) Strukturverfeinerung am Talk Mg3[(OH)2Si4O10]. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  156 (3-4). 177-186 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1981.156.3-4.177'>doi:10.1524\u002Fzkri.1981.156.3-4.177\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol156\u002FZK156_177.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1981.156.3-4.177",{"id":237,"year":238,"html":239,"doi":11},17635202,1982,"Venugopal, J. S., Hirannaiah, B. V., Majumder, S. K. (1982) Dehydroxylation and Dehydration as Parameters For Characterisation of Clays - Part II: Kaolinites, Pyrophyllite and Talc. \u003Ci>Journal of the Geological Society of India\u003C\u002Fi>,  23 (6). 300-306",{"id":241,"year":242,"html":243,"doi":244},12666001,1984,"Wesołowski, Marek (1984) Thermal decomposition of talc: A review. \u003Ci>Thermochimica Acta\u003C\u002Fi>, 78. 395-421 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0040-6031(84)87165-8'>doi:10.1016\u002F0040-6031(84)87165-8\u003C\u002Fa>","10.1016\u002F0040-6031(84)87165-8",{"id":246,"year":247,"html":248,"doi":249},18166042,1989,"Zelazny, L. W., White, G. N., Lawrence, Ch. L. (1989) The Pyrophyllite–Talc Group. In \u003Ci>Minerals in Soil Environments, Volume 1\u003C\u002Fi> (2nd ed.). \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2136\u002Fsssabookser1.2ed.c11'>doi:10.2136\u002Fsssabookser1.2ed.c11\u003C\u002Fa>","10.2136\u002Fsssabookser1.2ed.c11",{"id":251,"year":252,"html":253,"doi":11},529200,1991,"Coey, J. M. D., Bakas, T., Guggenheim, S. (1991) Mössbauer spectra of minnesotaite and ferroan talc. \u003Ci>American Mineralogist\u003C\u002Fi>,  76 (11-12) 1905-1909 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM76\u002FAM76_1905.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":255,"year":252,"html":256,"doi":257},151925,"Giese, R. F., Costanzo, P. M., van Oss, C. J. (1991) The surface free energies of talc and pyrophyllite. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  17 (7) 611-616 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00203840'>doi:10.1007\u002Fbf00203840\u003C\u002Fa>","10.1007\u002Fbf00203840",{"id":259,"year":260,"html":261,"doi":262},77335,1995,"Pawley, A. R., Redfern, Simon A. T., Wood, Bernard J. (1995) Thermal expansivities and compressibilities of hydrous phases in the system MgO-SiO2-H2O: talc, phase A and 10-Å phase. \u003Ci>Contributions to Mineralogy and Petrology\u003C\u002Fi>,  122 (3) 301-307 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs004100050129'>doi:10.1007\u002Fs004100050129\u003C\u002Fa>","10.1007\u002Fs004100050129",{"id":264,"year":265,"html":266,"doi":11},16967584,2001,"(2001) Talc. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ftalc.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":268,"year":269,"html":270,"doi":271},564071,2003,"Ferrage, E., Martin, F., Petit, S ., Pejo-soucaille, S., Micoud, P., Fourty, G., Ferret, J ., Salvi, S., De Parseval, P., Fortune, J . P. (2003) Evaluation of talc morphology using FTIR and H\u002FD substitution. \u003Ci>Clay Minerals\u003C\u002Fi>,  38 (2) 141-150 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002F0009855033820084'>doi:10.1180\u002F0009855033820084\u003C\u002Fa>","10.1180\u002F0009855033820084",{"id":273,"year":274,"html":275,"doi":276},394997,2004,"Petit, Sabine, Martin, François, Wiewiora, Andrzej, De Parseval, Philippe, Decarreau, Alain (2004) Crystal-chemistry of talc: A near infrared (NIR) spectroscopy study. \u003Ci>American Mineralogist\u003C\u002Fi>,  89 (2) 319-326 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2004-2-310'>doi:10.2138\u002Fam-2004-2-310\u003C\u002Fa>","10.2138\u002Fam-2004-2-310",{"id":278,"year":279,"html":280,"doi":281},395532,2006,"Zhang, M., Hui, Q., Lou, X.-J., Redfern, A.T., Salje, E.K.H., Tarantino, S.C. (2006) Dehydroxylation, proton migration, and structural changes in heated talc: An infrared spectroscopic study. \u003Ci>American Mineralogist\u003C\u002Fi>,  91 (5-6). 816-825 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2006.1945'>doi:10.2138\u002Fam.2006.1945\u003C\u002Fa>","10.2138\u002Fam.2006.1945",{"id":283,"year":284,"html":285,"doi":286},148527,2012,"Drits, Victor A., Guggenheim, Stephen, Zviagina, Bella B., Kogure, Toshihiro (2012) Structures of the 2:1 Layers of Pyrophyllite and Talc. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>,  60 (6) 574-587 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1346\u002Fccmn.2012.0600603'>doi:10.1346\u002Fccmn.2012.0600603\u003C\u002Fa>","10.1346\u002Fccmn.2012.0600603",{"id":288,"year":289,"html":290,"doi":291},154001,2015,"Gatta, G. Diego, Lotti, Paolo, Merlini, Marco, Liermann, Hanns-Peter, Lausi, Andrea, Valdrè, Giovanni, Pavese, Alessandro (2015) Elastic behaviour and phase stability of pyrophyllite and talc at high pressure and temperature. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  42 (4) 309-318 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00269-014-0721-x'>doi:10.1007\u002Fs00269-014-0721-x\u003C\u002Fa>","10.1007\u002Fs00269-014-0721-x",{"id":293,"year":294,"html":295,"doi":296},13423432,2020,"Pi-Puig, Teresa, Animas-Torices, Dante Yosafat, Solé, Jesús (2020) Mineralogical and Geochemical Characterization of Talc from Two Mexican Ore Deposits (Oaxaca and Puebla) and Nine Talcs Marketed in Mexico: Evaluation of Its Cosmetic Uses. \u003Ci>Minerals\u003C\u002Fi>, 10 (5) 388 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin10050388'>doi:10.3390\u002Fmin10050388\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.mdpi.com\u002F2075-163X\u002F10\u002F5\u002F388\u002Fpdf?version=1589170202' class='refpdflink'>\u003C\u002Fa>","10.3390\u002Fmin10050388",{"id":298,"year":299,"html":300,"doi":301},15532846,2022,"Wu, Haoyu, He, Mingyue, Wu, Shaokun, Yang, Mei, Liu, Xi (2022) Near-Infrared Spectroscopy Study of OH Stretching Modes in Pyrophyllite and Talc. \u003Ci>Crystals\u003C\u002Fi>, 12 (12) 1759 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fcryst12121759'>doi:10.3390\u002Fcryst12121759\u003C\u002Fa>","10.3390\u002Fcryst12121759",{"id":303,"year":304,"html":305,"doi":306},15841015,2023,"Barbosa, Silvia E., Castillo, Luciana A. (2023) Morphological and Physicochemical Properties of Macrocrystalline Talc from Argentine. \u003Ci>Minerals\u003C\u002Fi>, 13 (5) 683 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin13050683'>doi:10.3390\u002Fmin13050683\u003C\u002Fa>","10.3390\u002Fmin13050683",{"id":308,"year":304,"html":309,"doi":310},16903709,"Aspiotis, Stylianos, Schlüter, Jochen, Hildebrandt, Frank, Mihailova, Boriana (2023) Raman spectroscopy for crystallochemical analysis of Mg‐rich layered silicates: Serpentine and talc. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>,  54 (12) 1502-1516 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.6601'>doi:10.1002\u002Fjrs.6601\u003C\u002Fa>","10.1002\u002Fjrs.6601",[312,320,327,337,345,354,364,370,379,388,396,403,412,419,426,435,444,454,459,468,476,484,493,500,505,513,517,522,527,531,539,547,556,563,571,580,587,595,602,610,618,627,635,644,652,660,668,676,684,692,700,708,716,724,731,739,747,755,764],{"id":313,"source_url":314,"license_code":315,"credit_html":316,"title":317,"description":11,"author":11,"original_width":318,"original_height":319},13217,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=217162","Public domain","Unknown author, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=217162\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talc block.jpg",360,341,{"id":321,"source_url":322,"license_code":323,"credit_html":324,"title":7,"description":11,"author":11,"original_width":325,"original_height":326},30793,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F114777","CC BY 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F114777\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",1000,666,{"id":328,"source_url":329,"license_code":330,"credit_html":331,"title":332,"description":333,"author":334,"original_width":335,"original_height":336},13219,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151720","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151720\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talc-177589.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTalc\" class=\"extiw\" title=\"en:Talc\">Talc\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Vermont Verde Antique International quarry, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRochester\" class=\"extiw\" title=\"en:Rochester\">Rochester\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWindsor_County,_Vermont\" class=\"extiw\" title=\"en:Windsor County, Vermont\">Windsor County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVermont\" class=\"extiw\" title=\"en:Vermont\">Vermont\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-22488.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.3 x 4.3 x 3.5 cm.\u003C\u002Fdd>\n\u003Cdd>This is a fine large miniature talc specimen. It has superb crystallization, with translucent, waxy crystals that form a display horizon. This is very old material from the classic days of the Vermont mining district here, probably 30-80 years old. Ex. Ken Hollman Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",632,800,{"id":338,"source_url":339,"license_code":330,"credit_html":340,"title":341,"description":342,"author":334,"original_width":343,"original_height":344},62566,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10476380","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10476380\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talc-usa10b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTalc\" class=\"extiw\" title=\"en:Talc\">Talc\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Vermont Verde Antique International quarry, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRochester\" class=\"extiw\" title=\"en:Rochester\">Rochester\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWindsor_County,_Vermont\" class=\"extiw\" title=\"en:Windsor County, Vermont\">Windsor County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVermont\" class=\"extiw\" title=\"en:Vermont\">Vermont\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-22488.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 9.3 x 6.9 x 3.6 cm\n\u003Cdl>\u003Cdt>Talc\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>The Vermont talc specimens are generally considered the prettiest crystallized talcs. First off, it is green - and most talc is just plain old white. Secondly, it is from a classic, defunct, and important US locality. And lastly, it is aesthetic, with freestanding crystals all over the place, instead of tightly compacted masses as you usuaully see from here and from other locales where talc occurs purely. The classic Italian examples are as fine in crystalography, but i have not seen a big and green one. A beautiful, interesting piece - and yes, it DOES feel like talc, when you touch it. ex. Ken Hollman Collection\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,297,{"id":346,"source_url":347,"license_code":330,"credit_html":348,"title":349,"description":350,"author":351,"original_width":352,"original_height":353},62567,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10870467","Pelex, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10870467\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talc mutnikSVK01.JPG","Talc in warehouse of mining company Genes, a.s., deposit in the Hnúšťa-Mútnik, Slovakia. Hammer is 28 cm long.","Pelex",2272,1704,{"id":355,"source_url":356,"license_code":357,"credit_html":358,"title":359,"description":360,"author":361,"original_width":362,"original_height":363},35557,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180411713","CC BY-SA 4.0","Марися Лебідь, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180411713\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Прожиток благородного тальку в оталькованому серпентиніті.jpg","Minerals in Yevhen Lazarenko Mineralogical Museum","Марися Лебідь",4080,3060,{"id":365,"source_url":366,"license_code":357,"credit_html":367,"title":368,"description":369,"author":361,"original_width":362,"original_height":363},62578,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180416056","Марися Лебідь, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180416056\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Тальк у Мінералогічному музеї м.Львів.jpg","Minerals in the Mineralogical Museum of Lviv",{"id":371,"source_url":372,"license_code":357,"credit_html":373,"title":374,"description":375,"author":376,"original_width":377,"original_height":378},34406,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=127938751","Geolina163, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=127938751\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Australit Simpsonwüste 1.jpg","Terra mineralia: Australit \u002F Simpsonwüste","Geolina163",3409,2489,{"id":380,"source_url":381,"license_code":323,"credit_html":382,"title":383,"description":384,"author":385,"original_width":386,"original_height":387},36657,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=81047313","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=81047313\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Datholit.JPG","Freiberg, Terra mineralia, datolite,   location: Dalnegorsk, Siberia","Dguendel",3387,2491,{"id":389,"source_url":390,"license_code":330,"credit_html":391,"title":392,"description":393,"author":334,"original_width":394,"original_height":395},62564,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140725","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140725\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talc-121775.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTalc\" class=\"extiw\" title=\"en:Talc\">Talc\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Gere Valley (Geren Valley), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGere\" class=\"extiw\" title=\"en:Gere\">Gere (Geren)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOberwald,_Valais\" class=\"extiw\" title=\"en:Oberwald, Valais\">Oberwald\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGoms\" class=\"extiw\" title=\"en:Goms\">Goms\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWallis\" class=\"extiw\" title=\"en:Wallis\">Wallis (Valais)\u003C\u002Fa>, Switzerland (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-61119.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.1 x 6.0 x 5.7 cm.\u003C\u002Fdd>\n\u003Cdd>A showy and excellent thick vein of lustrous, pearlescent sea-green, lamellar growth talc crystals in parallel bundles on matrix from a classic Swiss locality. This highly representative piece is from the collection of noted Alpine collector, Rolf Wein.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",550,378,{"id":397,"source_url":398,"license_code":330,"credit_html":399,"title":400,"description":401,"author":334,"original_width":402,"original_height":336},62565,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151710","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151710\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talc-177586.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTalc\" class=\"extiw\" title=\"en:Talc\">Talc\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Vermont Verde Antique International quarry, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRochester\" class=\"extiw\" title=\"en:Rochester\">Rochester\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWindsor_County,_Vermont\" class=\"extiw\" title=\"en:Windsor County, Vermont\">Windsor County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVermont\" class=\"extiw\" title=\"en:Vermont\">Vermont\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-22488.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 2.8 x 2.0 x 1.2 cm.\u003C\u002Fdd>\n\u003Cdd>This is a fine talc specimen. It has superb crystallization, with translucent, waxy crystals and no damage. This is very old material from the classic days of the Vermont mining district here, probably 30-80 years old. Ex. Ken Hollman Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",685,{"id":404,"source_url":405,"license_code":357,"credit_html":406,"title":407,"description":408,"author":409,"original_width":410,"original_height":411},62570,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82990692","Mai Seppel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82990692\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Estonian Museum of Natural History Specimen No 191629 photo (g28 g28-354-1 1 jpg).jpg","\"talk\", \"talk\". More info \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Ffile\u002F92251\">about this file\u003C\u002Fa> and \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Fspecimen\u002F191629\">about this specimen\u003C\u002Fa> at \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002F\">geocollections.info\u003C\u002Fa>","Mai Seppel",3996,3583,{"id":413,"source_url":414,"license_code":357,"credit_html":415,"title":416,"description":417,"author":409,"original_width":411,"original_height":418},62571,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83006635","Mai Seppel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83006635\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Estonian Museum of Natural History Specimen No 191631 photo (g28 g28-354-3 1 jpg).jpg","\"talk\", \"talk\". More info \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Ffile\u002F92336\">about this file\u003C\u002Fa> and \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Fspecimen\u002F191631\">about this specimen\u003C\u002Fa> at \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002F\">geocollections.info\u003C\u002Fa>",3169,{"id":420,"source_url":421,"license_code":357,"credit_html":422,"title":423,"description":424,"author":409,"original_width":418,"original_height":425},62572,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83061134","Mai Seppel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83061134\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Estonian Museum of Natural History Specimen No 191630 photo (g28 g28-354-2 1 jpg).jpg","\"talk\". More info \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Ffile\u002F92333\">about this file\u003C\u002Fa> and \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Fspecimen\u002F191630\">about this specimen\u003C\u002Fa> at \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002F\">geocollections.info\u003C\u002Fa>",2618,{"id":427,"source_url":428,"license_code":357,"credit_html":429,"title":430,"description":431,"author":432,"original_width":433,"original_height":434},62575,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98919398","Sarranpa, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98919398\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talco (filosilicato).jpg","El talco es el mineral más blando","Sarranpa",2825,2113,{"id":436,"source_url":437,"license_code":357,"credit_html":438,"title":439,"description":440,"author":441,"original_width":442,"original_height":443},358,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6655965","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6655965\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talc.jpg","Crystals of \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002Ftalc\" class=\"extiw\" title=\"en:talc\">talc\u003C\u002Fa>.","Didier Descouens",5744,3063,{"id":445,"source_url":446,"license_code":447,"credit_html":448,"title":449,"description":450,"author":451,"original_width":452,"original_height":453},81843,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6699865","CC BY 2.0","Beatrice Murch from Buenos Aires, Argentina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6699865\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Museo de La Plata -Talco, Silicato de magnesio.jpg","Talco, Silicato de magnesio. Mendoza, Argentina.","Beatrice Murch from Buenos Aires, Argentina",3888,2600,{"id":455,"source_url":456,"license_code":357,"credit_html":457,"title":458,"description":360,"author":361,"original_width":362,"original_height":363},62577,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180411652","Марися Лебідь, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=180411652\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Тальк-хлорит піритовий матасоматит по піроксеновому скарну.jpg",{"id":460,"source_url":461,"license_code":330,"credit_html":462,"title":463,"description":464,"author":465,"original_width":466,"original_height":467},359,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=38158332","珍庵 at Japanese Wikipedia, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=38158332\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agalmatolite.jpg","Agalmatolite","珍庵 at Japanese Wikipedia",1280,960,{"id":469,"source_url":470,"license_code":330,"credit_html":471,"title":472,"description":473,"author":334,"original_width":474,"original_height":475},3906,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10175115","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10175115\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brewsterite-35873.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrewsterite\" class=\"extiw\" title=\"en:Brewsterite\">Brewsterite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStrontian\" class=\"extiw\" title=\"en:Strontian\">Strontian\u003C\u002Fa>, North West Highlands (Argyllshire), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FScotland\" class=\"extiw\" title=\"en:Scotland\">Scotland\u003C\u002Fa>, UK (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3036.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This rare strontian member of the zeolite family is from the type locality in Scotland. Covering both sides of the matrix, this specimen is characterized by many lustrous and sparkling, 1-3 mm, tan crystals. 3.2 x 3.1 x 2.7 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",537,600,{"id":477,"source_url":478,"license_code":357,"credit_html":479,"title":480,"description":481,"author":482,"original_width":466,"original_height":483},8675,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=58889417","Marco A P Pinheiro, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=58889417\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Antofilita sobre talco.jpg","Fotomicrografia de antofilita sobre talco. Polarizadores cruzados e aumento na objetiva de 2x.","Marco A P Pinheiro",1024,{"id":485,"source_url":486,"license_code":330,"credit_html":487,"title":488,"description":489,"author":490,"original_width":491,"original_height":492},14745,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24634665","Michael Wolf, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24634665\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lorenzenit Lovozero Kola-Halbinsel Russland Terra Mineralia.jpg","Lorenzenit aus Lovozero Kola-Halbinsel Russland, Exponat in der Terra Mineralia, Freiberg","Michael Wolf",2574,1860,{"id":494,"source_url":495,"license_code":315,"credit_html":496,"title":497,"description":498,"author":499,"original_width":336,"original_height":336},28514,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956329","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956329\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Yoderite 2 in talc Hydrous magnesium iron aluminum silicate Mautia Hill Central Province tanzania 1939.jpg","These mineral images are free to use how you wish.","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com",{"id":501,"source_url":502,"license_code":315,"credit_html":503,"title":504,"description":498,"author":499,"original_width":336,"original_height":336},28515,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956330","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1956330\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Yoderite in talc Hydrous magnesium iron aluminum silicate Mautia Hill Central Province tanzania 1938.jpg",{"id":506,"source_url":507,"license_code":323,"credit_html":508,"title":509,"description":510,"author":385,"original_width":511,"original_height":512},28774,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80902918","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80902918\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Zinkgartrellit, Azurit.JPG","Freiberg, Terra mineralia, zincgartrellite, azurite,   location: Tsumeb, Namibia",2824,1865,{"id":514,"source_url":515,"license_code":323,"credit_html":516,"title":464,"description":11,"author":11,"original_width":325,"original_height":326},29006,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119861","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119861\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":518,"source_url":519,"license_code":323,"credit_html":520,"title":521,"description":11,"author":11,"original_width":325,"original_height":326},30032,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F114970","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F114970\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana","Kerolite",{"id":523,"source_url":524,"license_code":357,"credit_html":525,"title":521,"description":11,"author":11,"original_width":325,"original_height":526},30033,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F65449","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F65449\" rel=\"noopener\">The Estonian Museum of Natural History\u003C\u002Fa> via Europeana",941,{"id":528,"source_url":529,"license_code":323,"credit_html":530,"title":521,"description":11,"author":11,"original_width":325,"original_height":326},30034,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119241","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119241\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":532,"source_url":533,"license_code":323,"credit_html":534,"title":535,"description":536,"author":385,"original_width":537,"original_height":538},33895,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80592142","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80592142\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Endlichit auf Mottramit.JPG","Freiberg, Terra mineralia, endlichite on mottramite,  location: Touissit, Morocco",4277,2308,{"id":540,"source_url":541,"license_code":323,"credit_html":542,"title":543,"description":544,"author":385,"original_width":545,"original_height":546},34380,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80902977","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80902977\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Austinit.JPG","Freiberg, Terra mineralia, austinite,   location: Tsumeb, Namibia",3372,2577,{"id":548,"source_url":549,"license_code":330,"credit_html":550,"title":551,"description":552,"author":553,"original_width":554,"original_height":555},39483,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27388992","Space Pen, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=27388992\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Charoit terra mineraloia.jpg","Charoit (Detail) einer polierten Platte. FO: Murunskij Massif (Jakutien, Russland) Sammlung: terra mineralia (Freiberg \u002F Sachsen)","Space Pen",1936,2592,{"id":557,"source_url":558,"license_code":330,"credit_html":559,"title":560,"description":561,"author":334,"original_width":562,"original_height":336},39845,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10419592","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10419592\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chondrodite-Talc-talctilly2.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChondrodite\" class=\"extiw\" title=\"en:Chondrodite\">Chondrodite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTalc\" class=\"extiw\" title=\"en:Talc\">Talc\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Tilly Foster mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrewster\" class=\"extiw\" title=\"en:Brewster\">Brewster\u003C\u002Fa>, Putnam County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_York\" class=\"extiw\" title=\"en:New York\">New York\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4004.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 3 x 2.5 x 2 cm\n\u003Cdl>\u003Cdt>Talc ps. After Chondrodite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This is a sharp and unusual replacement, one which I had personally not seen before but I did verify with several old-time collectors at the Springfield show. It is an approximately 1 x 1 inch specimen (a full thumbnail) with a single upright, freestanding pseudomorph of talc that has fully replaced a chondrodite crystal. Phil Scalisi and a few others I showed it to said it was amazing for this material, and unusually sharp. Ex. Robert Whitmore Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",731,{"id":564,"source_url":565,"license_code":323,"credit_html":566,"title":567,"description":568,"author":385,"original_width":569,"original_height":570},39984,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80461248","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80461248\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Chrom-Cerussit.JPG","Freiberg, Terra mineralia, chrome-cerussite, location: Dundas, Tasmanien",3261,2097,{"id":572,"source_url":573,"license_code":357,"credit_html":574,"title":575,"description":576,"author":577,"original_width":578,"original_height":579},40010,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=191743951","Fernando Losada Rodríguez, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=191743951\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cromita (IES Terra de Xallas).001 - Geolodía Santa Comba 2026.jpg","Roca con cristales de cromita, expuesta en el patio del IES Terra de Xallas, en Santa Comba (A Coruña, Galicia, España).","Fernando Losada Rodríguez",1771,2959,{"id":581,"source_url":582,"license_code":330,"credit_html":583,"title":584,"description":585,"author":334,"original_width":475,"original_height":586},49234,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137643","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137643\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Forsterite-71007.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FForsterite\" class=\"extiw\" title=\"en:Forsterite\">Forsterite\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPeridot\" class=\"extiw\" title=\"en:Peridot\">Olivine\u003C\u002Fa>)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSaint_John%27s_Island\" class=\"extiw\" title=\"en:Saint John's Island\">St John's Island (Zagbargad; Zabargad; Zebirget; Seberged; Topazios)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRed_Sea\" class=\"extiw\" title=\"en:Red Sea\">Red Sea\u003C\u002Fa>, Egypt (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-6423.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Talk about rare gem crystals - these bright peridot crystals were mined in Egypt in the early 1900s, and are just not around anymore, unless they turn up out of the blue from some old collection. All four of these crystals are terminated and completely gemmy. A real collectors item for sure! 0.7 x 0.7 x 0.2 cm, 0.6 x 0.5 x 0.3 cm, 0.6 x 0.5 x 0.3 cm, 0.9 x 0.7 x 0.3 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",353,{"id":588,"source_url":589,"license_code":323,"credit_html":590,"title":591,"description":592,"author":385,"original_width":593,"original_height":594},50167,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=81187896","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=81187896\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Hessonit.JPG","Freiberg, Terra mineralia, hessonite,    location: Vápenná, Moravia (specimen similar to colophanite)",3618,2865,{"id":596,"source_url":597,"license_code":323,"credit_html":598,"title":599,"description":600,"author":385,"original_width":601,"original_height":238},53942,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80998510","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80998510\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Eudialyt.JPG","Freiberg, Terra mineralia, eudialyte,   location: Kola Peninsula",2593,{"id":603,"source_url":604,"license_code":323,"credit_html":605,"title":606,"description":607,"author":385,"original_width":608,"original_height":609},58454,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=81047415","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=81047415\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Hedenbergit, Goethit, Quarz.JPG","Freiberg, Terra mineralia, hedenbergite, goethite, quartz,    location: Dalnegorsk, Siberia",3456,3091,{"id":611,"source_url":612,"license_code":323,"credit_html":613,"title":614,"description":615,"author":385,"original_width":616,"original_height":617},58932,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80856141","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80856141\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Heterosit.JPG","Freiberg, Terra mineralia, heterosite,   location: Karibib, Namibia",3005,3256,{"id":619,"source_url":620,"license_code":447,"credit_html":621,"title":622,"description":623,"author":624,"original_width":625,"original_height":626},59105,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84649856","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84649856\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hexagonite (Gouverneur Marble, Mesoproterozoic; Gouverneur Talc Mine, Fowler, St. Lawrence County, New York State, USA) (31133877754).jpg","\u003Cp>Hexagonite rock from the Precambrian of New York State, USA. (5.5 cm across along the base)\n\u003C\u002Fp>\u003Cp>This attractive rock is from a talc mine in New York.  Hexagonite is a manganoan tremolite amphibole.  Ordinary tremolite is white, but Mn-rich tremolite has a pleasant lavender color.\n\u003C\u002Fp>\u003Cp>Geologic unit: Gouverneur Marble, Oswegatchie Group, Mesoproterozoic, metamorphism at ~1.1 Ga\n\u003C\u002Fp>\u003Cp>Locality: Gouverneur Talc Mine, near the town of Fowler, southwestern St. Lawrence County, northwestern Adirondack Mountains, northern New York State, USA\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Photo gallery of hexagonite:\n<a href=\"\u003Ca rel=\"nofollow\" class=\"external free\" href=\"http:\u002F\u002Fwww.mindat.org\u002Fgallery.php?min=11106\">http:\u002F\u002Fwww.mindat.org\u002Fgallery.php?min=11106\u003C\u002Fa>\" rel=\"nofollow\">www.mindat.org\u002Fgallery.php?min=11106<\u002Fa>\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>More info. in:\n\u003C\u002Fp>\nRoss et al. (1968) - Triclinic talc and associated amphiboles from Gouverneur Mining District, New York.  American Mineralogist 53: 751-769. (online at <a href=\"\u003Ca rel=\"nofollow\" class=\"external free\" href=\"http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM53\u002FAM53_751.pdf\">http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM53\u002FAM53_751.pdf\u003C\u002Fa>\" rel=\"nofollow\">www.minsocam.org\u002Fammin\u002FAM53\u002FAM53_751.pdf<\u002Fa>)","James St. John",2867,2331,{"id":628,"source_url":629,"license_code":323,"credit_html":630,"title":631,"description":632,"author":385,"original_width":633,"original_height":634},60645,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80999374","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80999374\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Prasem mit Ilvait.JPG","Freiberg, Terra mineralia, prase with ilvaite,   location: Dalnegorsk, Siberia",2689,2256,{"id":636,"source_url":637,"license_code":357,"credit_html":638,"title":639,"description":640,"author":641,"original_width":642,"original_height":643},61465,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83119944","Mariagat Włodek Głażewski, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83119944\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Jarosite Stratigraphy in Terra Sirenum (ESP 061207 1495).jpg","Jarosite Stratigraphy in Terra Sirenum (ESP_061207_1495) -- Mariagat Włodek Głażewski modified image: NASA\u002FJPL\u002FUniversity of Arizona - We ♥ Mars","Mariagat Włodek Głażewski",4807,512,{"id":645,"source_url":646,"license_code":357,"credit_html":647,"title":648,"description":649,"author":409,"original_width":650,"original_height":651},62573,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83085433","Mai Seppel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=83085433\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Estonian Museum of Natural History Specimen No 202429 photo (g27 g27-794 1 jpg).jpg","\"kerolite\". More info \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Ffile\u002F65449\">about this file\u003C\u002Fa> and \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Fspecimen\u002F202429\">about this specimen\u003C\u002Fa> at \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002F\">geocollections.info\u003C\u002Fa>",2343,2205,{"id":653,"source_url":654,"license_code":323,"credit_html":655,"title":656,"description":657,"author":385,"original_width":658,"original_height":659},62987,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80791750","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80791750\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Kolwezit auf kobalthaltigem Calcit.JPG","Freiberg, Terra mineralia, kolwezite on calcite containing cobalt,  location: Kolwezi, Democratic Republic of the Congo",3132,2815,{"id":661,"source_url":662,"license_code":323,"credit_html":663,"title":664,"description":665,"author":385,"original_width":666,"original_height":667},64044,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80904538","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80904538\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Tarnowitzit.JPG","Freiberg, Terra mineralia, tarnowitzite,   location: Tsumeb, Namibia",3187,3138,{"id":669,"source_url":670,"license_code":323,"credit_html":671,"title":672,"description":673,"author":385,"original_width":674,"original_height":675},64942,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80792203","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80792203\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Londonit, Elbait.JPG","Freiberg, Terra mineralia, londonite, elbaite,  location: Sahatany, Madagascar",4234,2264,{"id":677,"source_url":678,"license_code":323,"credit_html":679,"title":680,"description":681,"author":385,"original_width":682,"original_height":683},66007,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80074939","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80074939\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Neptunit auf Natrolith.JPG","Freiberg, Terra mineralia, neptunite on natrolite, location: Park County, California, USA",3894,3050,{"id":685,"source_url":686,"license_code":323,"credit_html":687,"title":688,"description":689,"author":385,"original_width":690,"original_height":691},68623,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80791976","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80791976\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Morganit.JPG","Freiberg, Terra mineralia, morganite,  location: Namacotcha, Mozambique",3175,3034,{"id":693,"source_url":694,"license_code":357,"credit_html":695,"title":696,"description":697,"author":385,"original_width":698,"original_height":699},71774,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80718550","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80718550\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Augenjaspis.JPG","Freiberg, Terra mineralia, orbicular jasper, location:Ambolobozo, Madagascar",3352,2418,{"id":701,"source_url":702,"license_code":323,"credit_html":703,"title":704,"description":705,"author":385,"original_width":706,"original_height":707},73834,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80461926","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80461926\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Phlogopit.JPG","Freiberg, Terra mineralia, phlogopite,  location: Sar-e-Sang, Afghanistan",2531,2606,{"id":709,"source_url":710,"license_code":323,"credit_html":711,"title":712,"description":713,"author":385,"original_width":714,"original_height":715},73853,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80592258","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80592258\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Phosgenit.JPG","Freiberg, Terra mineralia, phosgenite,  location: Touissit, Morocco",2809,2653,{"id":717,"source_url":718,"license_code":330,"credit_html":719,"title":720,"description":721,"author":490,"original_width":722,"original_height":723},76244,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24634854","Michael Wolf, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24634854\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Rammelsbergit Ait Ahamane, Bou Azzer, Marokko Terra Mineralia.jpg","Rammelsbergit aus Marokko, Exponat in der Terra Mineralia, Freiberg",1497,1368,{"id":725,"source_url":726,"license_code":323,"credit_html":727,"title":728,"description":729,"author":385,"original_width":608,"original_height":730},81007,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80902712","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80902712\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Stolzit, Smithsonit.JPG","Freiberg, Terra mineralia, stolzite, smithsonite,   location: Tsumeb, Namibia",3312,{"id":732,"source_url":733,"license_code":330,"credit_html":734,"title":735,"description":736,"author":490,"original_width":737,"original_height":738},81116,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24634494","Michael Wolf, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24634494\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Stromeyerit Kasachstan Terra Mineralia.jpg","Stromeyerit aus Kasachstan, Exponat in der Terra Mineralia Freiberg",2520,1728,{"id":740,"source_url":741,"license_code":323,"credit_html":742,"title":743,"description":744,"author":385,"original_width":745,"original_height":746},81285,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80806483","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=80806483\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Sturmanit.JPG","Freiberg, Terra mineralia, sturmanite,  location: NChwaning II Mine, South Africa",3278,3361,{"id":748,"source_url":749,"license_code":330,"credit_html":750,"title":751,"description":752,"author":490,"original_width":753,"original_height":754},81846,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24634783","Michael Wolf, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24634783\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Talmessit Filon 7 Bou Azzer Quarzazate Marokko Terra Mineralia.jpg","Talmessit aus Marokko, Exponat in der Terra Mineralia, Freiberg",1710,1434,{"id":756,"source_url":757,"license_code":357,"credit_html":758,"title":759,"description":760,"author":761,"original_width":762,"original_height":763},82640,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=54091272","Kora27, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=54091272\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","2H1A6995OB.jpg","\u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FThomsonit\" class=\"extiw\" title=\"de:Thomsonit\">Thomsonit\u003C\u002Fa> aus Shivinli bei Aurangabad, Indien; ausgestellt in der Mineralienausstellung „\u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FTerra_mineralia\" class=\"extiw\" title=\"de:Terra mineralia\">terra Mineralia\u003C\u002Fa>“ der TU Bergakademie Freiberg (identifiziert nach Anfrage per Mail durch Andreas Massanek, Kustos der terra mineralia)","Kora27",5106,3355,{"id":765,"source_url":766,"license_code":323,"credit_html":767,"title":768,"description":769,"author":385,"original_width":770,"original_height":771},82809,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=81188154","Dguendel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=81188154\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Freiberg, Terra mineralia, Thulit.JPG","Freiberg, Terra mineralia, thulite,    location: Norway",3028,2092,[773,779,784,791,796],{"id":774,"url":775,"label":776,"formula":777,"spacegroup":778,"year":284},13389,"\u002Fcif\u002F13389.cif","Drits 2012","Mg3 Si4 O12 H2","C -1",{"id":780,"url":781,"label":782,"formula":783,"spacegroup":778,"year":233},13390,"\u002Fcif\u002F13390.cif","Perdikatsis 1981","Si4 Mg3 O12 H2",{"id":785,"url":786,"label":787,"formula":788,"spacegroup":789,"year":790},13391,"\u002Fcif\u002F13391.cif","Wyckoff 1963 · Ta N (1)","Ta N","P 63 m c",1963,{"id":792,"url":793,"label":794,"formula":788,"spacegroup":795,"year":790},13392,"\u002Fcif\u002F13392.cif","Wyckoff 1963 · Ta N (2)","P 6\u002Fm m m",{"id":797,"url":798,"label":799,"formula":777,"spacegroup":800,"year":197},13393,"\u002Fcif\u002F13393.cif","Gruner 1934","C 1 2\u002Fc 1",[802,803,804,805,806,807,808,809,810,811,812,813,814,815,816,817,818,819,820,821,822,823,824],"Agalit","Agalita","Agalite","Asbestin","Colubrine","Craie de Briancon","Federweiß","Fedtsten","French Chalk","Gilstein","Keffekelit","Keffekil","Keffekilit","Lardite (of Wallerius)","Leberstein (of Haditsch & Maus)","Mussolinit","Mussolinita","Mussolinite","Ollit","Ollita","Ollite","Talck","Yalck",[826,830,835,839,842,846,849,854,857,861,864,868,873,876,881,887,891,895,900,904,909,913,917,922,925,928,931,935,939,942,946,950,953,956,960,963,970,974,977,981,988,991,994,998,1002,1006,1010,1013,1017,1021,1026,1031,1034,1037,1040,1044,1048,1052,1056,1059,1062,1065,1069,1074,1077,1080,1083,1086,1090,1095,1098,1101,1104,1107,1110,1114,1117,1120,1123,1126,1132,1135,1138,1141,1144,1147,1150],{"lang":827,"names":828},"af",[829],"Talk",{"lang":831,"names":832},"ar",[833,834],"التلك","طلق",{"lang":836,"names":837},"ast",[838],"Talco",{"lang":840,"names":841},"az",[829],{"lang":843,"names":844},"ba",[845],"Тальк",{"lang":847,"names":848},"be",[845],{"lang":850,"names":851},"be-tarask",[852,853],"тальк","тлушчак",{"lang":855,"names":856},"be-x-old",[845],{"lang":858,"names":859},"bg",[860],"Талк",{"lang":862,"names":863},"bs",[829],{"lang":865,"names":866},"ca",[867],"talc",{"lang":869,"names":870},"cs",[871,872],"Mastek","Talek",{"lang":874,"names":875},"cv",[845],{"lang":877,"names":878},"da",[809,879,880],"Klæbersten","talkum",{"lang":882,"names":883},"de",[884,885,829,886],"Magnesiumsilikathydrat","Talcum","Talkum",{"lang":888,"names":889},"el",[890],"Τάλκης",{"lang":892,"names":893},"eo",[894],"talko",{"lang":896,"names":897},"es",[898,899],"talco","Talcoso",{"lang":901,"names":902},"et",[903],"talk",{"lang":905,"names":906},"eu",[907,908],"Talko","Talkoa",{"lang":910,"names":911},"fa",[912],"تالک",{"lang":914,"names":915},"fi",[916],"Talkki",{"lang":918,"names":919},"fr",[804,464,806,920,921,822,867],"Kérolite","Lardite",{"lang":923,"names":924},"ga",[867],{"lang":926,"names":927},"gl",[838],{"lang":929,"names":930},"glk",[867],{"lang":932,"names":933},"he",[934],"טלק",{"lang":936,"names":937},"hi",[938],"टाल्क",{"lang":940,"names":941},"hr",[829],{"lang":943,"names":944},"hu",[880,945],"Zsírkő",{"lang":947,"names":948},"hy",[949],"Տալկ",{"lang":951,"names":952},"id",[7,872,829],{"lang":954,"names":955},"io",[907],{"lang":957,"names":958},"is",[829,959],"Talkúm",{"lang":961,"names":962},"it",[898],{"lang":964,"names":965},"ja",[966,967,968,969],"カッセキ","ケイ酸マグネシウム","タルク","滑石",{"lang":971,"names":972},"ka",[973],"ტალკი",{"lang":975,"names":976},"kk",[845],{"lang":978,"names":979},"kn",[980],"ಅಭ್ರಕಚೂರ್ಣ",{"lang":982,"names":983},"ko",[984,985,986,987],"탈쿰","탈크","탤크","활석",{"lang":989,"names":990},"ky",[845],{"lang":992,"names":993},"la",[885],{"lang":995,"names":996},"lt",[997],"Talkas",{"lang":999,"names":1000},"lv",[1001],"Talks",{"lang":1003,"names":1004},"mk",[1005],"талк",{"lang":1007,"names":1008},"ml",[7,1009],"ടാൽക്",{"lang":1011,"names":1012},"ms",[886],{"lang":1014,"names":1015},"mt",[1016],"Terra",{"lang":1018,"names":1019},"nan",[1020],"ku̍t-chio̍h",{"lang":1022,"names":1023},"nb",[1024,1025,903,886],"Spekkstein","Steatitt",{"lang":1027,"names":1028},"nl",[1029,903,1030],"Speksteen","Talkpoeder",{"lang":1032,"names":1033},"nn",[903],{"lang":1035,"names":1036},"no",[829],{"lang":1038,"names":1039},"oc",[7],{"lang":1041,"names":1042},"pa",[1043],"ਤਲਕ",{"lang":1045,"names":1046},"pl",[1047,903],"kamień 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sabão",{"lang":1057,"names":1058},"ro",[867],{"lang":1060,"names":1061},"ru",[845],{"lang":1063,"names":1064},"sh",[829],{"lang":1066,"names":1067},"sk",[1068,829],"Mastenec",{"lang":1070,"names":1071},"sl",[1072,1073],"lojevec","smukec",{"lang":1075,"names":1076},"sr",[1005],{"lang":1078,"names":1079},"sr-ec",[860],{"lang":1081,"names":1082},"sr-el",[829],{"lang":1084,"names":1085},"sv",[903],{"lang":1087,"names":1088},"ta",[1089],"டால்க்",{"lang":1091,"names":1092},"th",[1093,1094],"ทัลก์","แร่หินสบู่",{"lang":1096,"names":1097},"tr",[903],{"lang":1099,"names":1100},"uk",[845],{"lang":1102,"names":1103},"ur",[834],{"lang":1105,"names":1106},"uz",[829],{"lang":1108,"names":1109},"vec",[898],{"lang":1111,"names":1112},"vi",[1113],"Tan",{"lang":1115,"names":1116},"war",[7],{"lang":1118,"names":1119},"wuu",[969],{"lang":1121,"names":1122},"yo",[7],{"lang":1124,"names":1125},"yue",[969],{"lang":1127,"names":1128},"zh",[969,1129,1130,1131],"滑石粉","矽酸鎂","硅酸镁",{"lang":1133,"names":1134},"zh-cn",[969],{"lang":1136,"names":1137},"zh-hans",[969],{"lang":1139,"names":1140},"zh-hant",[969],{"lang":1142,"names":1143},"zh-hk",[969],{"lang":1145,"names":1146},"zh-sg",[969],{"lang":1148,"names":1149},"zh-tw",[969],{"lang":1151,"names":1152},"zh-yue",[969],"Q134583",{"history":1155,"applications":1159},{"markdown":1156,"model_version":1157,"prompt_version":1158,"reviewed_at":11},"Talc is the softest mineral there is — a fingernail scratches it, and rubbed between two fingers it feels soapy, almost greasy. That feel is why people reached for the rock built from it long before anyone gave it a formal name.\n\nA coarse, soft, grey-green stone rich in talc is soapstone, also called steatite[1]. Because it can be carved with even the most basic tools, often yielding very finely detailed results, early craftspeople used it again and again[2].\n\nIn Ancient Egypt steatite served for small statues, shabtis, beads, amulets, and seals, across both the Predynastic and Dynastic periods[3]. Egyptian workers also learned to glaze it. Fired in a copper-bearing medium, the soft stone hardened as it converted to a tougher mineral called enstatite[4]. The result was a glassy blue-green surface much like faience[4]. The same softness made steatite a favourite elsewhere — Assyrian cylinder seals and Chinese statuary are carved from it too[5].\n\nThe name talc was settled in the early modern period. The German scholar Georgius Agricola, born Georg Bauer, is credited with applying it in 1546[6]. He drew on the Arabic *talq*, meaning pure — probably a nod to the pale colour of its powder[6]. An older tradition traces the word instead to the Persian *tālk*. In antiquity the term was loose, covering talc, mica, and selenite alike[7].","claude-opus-4-8","1.7.0",{"markdown":1160,"model_version":1157,"prompt_version":1158,"reviewed_at":11},"Talc is a workhorse filler — a cheap, soft, inert powder mixed into other materials to bulk them out and change how they behave. Its four largest markets are ceramics, paint, paper, and plastics[1]. In paint it controls how the finish flows and dries; in paper it adds smoothness and brightness; in plastics it stiffens and cheapens the blend. The same role extends to rubber and to roofing materials[2].\n\nBeyond fillers, talc serves a scatter of practical trades. It is used as a carrier in insecticides — the powder spreads the active chemical evenly. It works as a mild abrasive in polishing cereal grains such as rice and corn[3]. It also turns up in lubricants, leather dressings, and marking pencils[3].\n\nIn personal care, powdered talc — often combined with corn starch — is sold as baby powder[4]. It is valued commercially for its fragrance retention, luster, purity, softness, and whiteness[5]. The food and drug industries use it too. It serves as a food additive, and as a glidant in pharmaceutical tablets — an agent that helps powders flow smoothly during manufacturing[6].\n\nThe talc rock itself, soapstone, has its own modern uses. Resistant to most reagents and to moderate heat, it is well suited to sinks and countertops, and is still cut for stoves and electrical switchboards[7].\n\nOne problem shadows commercial talc: it often sits underground alongside asbestos ore, a known carcinogen, and the two can be hard to fully separate[8]. In July 2024 the International Agency for Research on Cancer listed talc as probably carcinogenic to humans[9]. Litigation has followed in the United States. In February 2016 a jury awarded $72 million to the family of a woman who died of ovarian cancer, in a suit against the manufacturer Johnson & Johnson[10]. In 2020 the company stopped selling the talc-based baby powder it had marketed for 130 years[11].\n\nChina dominates supply, producing about 2.2 million tonnes in 2016 — roughly 30 percent of the world total[12]. The next-largest producers are Brazil at 12 percent, India at 11 percent, the United States at 9 percent, and France at 6 percent[12]. The single largest mine, at Trimouns near Luzenac in southern France, yields 400,000 tonnes a year[13]."]