[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:820":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":11,"ima_formula":15,"elements":16,"sigelements":20,"key_elements":11,"impurities":21,"cim":22,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":26,"discovery_year":27,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":34,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":38,"c":40,"alpha":38,"beta":38,"gamma":38,"aerror":41,"berror":11,"cerror":42,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":41,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":43,"morphology":44,"tlform":45,"hmin":46,"hmax":47,"hardtype":11,"vhnmin":38,"vhnmax":38,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":48,"dmeas2":48,"dcalc":49,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":50,"commentluster":51,"diapheny":52,"streak":53,"colour":54,"commentcolor":11,"colors":55,"streak_colors":63,"luminescence":11,"uv":11,"cleavage":64,"cleavagetype":65,"fracturetype":66,"tenacity":67,"commentbreak":68,"opticaltype":69,"opticalsign":70,"opticalalpha":38,"opticalalpha2":38,"opticalalphaerror":11,"opticalbeta":38,"opticalbeta2":38,"opticalbetaerror":11,"opticalgamma":38,"opticalgamma2":38,"opticalgammaerror":11,"opticalomega":71,"opticalomega2":72,"opticalomegaerror":11,"opticalepsilon":73,"opticalepsilon2":74,"opticalepsilonerror":11,"opticaln":38,"opticaln2":38,"opticalnerror":11,"optical2vcalc":38,"optical2vcalc2":38,"optical2vcalcerror":11,"optical2vmeasured":38,"optical2vmeasured2":38,"optical2vmeasurederror":11,"rimin":75,"rimax":76,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":77,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":78,"magnetism":11,"thermalbehaviour":79,"other":80,"industrial":11,"occurrence":11,"otheroccurrence":81,"type_specimen_store":82,"description_short":11,"aboutname":83,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":84,"reviewed_at":11,"variety_of":11,"varieties":85,"group_members":93,"associates":126,"confused_with":177,"type_localities":178,"occurrence_total":185,"citations":186,"images":323,"structures":511,"synonyms":538,"language_names":548,"wikidata_qid":702,"texts":703},820,"1:1:820:2","602f08c4-f938-4500-82ff-ff5d2db58f9a","Brucite","Brc",0,"mineral",null,29278,6522,false,"Mg(OH)\u003Csub>2\u003C\u002Fsub>",[17,18,19],"Mg","O","H",[17,18,19],",Fe,Mn,Zn,","7.4.8",[24,25],"APPROVED","GRANDFATHERED",1814,"1824","4","F","E","05","6","2","1","Trigonal",13,97,"0","3.142","4.766",1,2,"Brucite enclosing pyroaurite, with brucite {0001} \u003Cmi>[10_10] parallel to pyroaurite {0001}[10_10]\u003C\u002Fmi>.","Usually broad tabular crystals {0001}. Often subparallel aggregates of plates. Manganoan variety sometimes acicular [0001]. Commonly foliated massive; fibrous, with fibers separable and elastic; fine granular rare.","Foliated leaves, frequently radiating.",2.5,3,"2.39","2.368","Vitreous,Waxy,Pearly","Pearly on cleavage","Transparent,Translucent","White","White, light greenish, grayish, bluish; honey-yellow, brownish red deep brown (manganoan varieties)",[56,57,58,59,60,61,62],"white","green","gray","blue","yellow","brown","red",[56],"On {0001}","Perfect","Fibrous,Micaceous","sectile","Separable plates are flexible, fibers are elastic.","Uniaxial","+","1.56","1.59","1.58","1.6",1.56,1.6,"Anomalously biaxial.","Pyroelectric","Before the blowpipe, glows and becomes opaque and friable. Infusible.  In a closed tube gives off water.","Soluble in HCl, H2SO4, HNO3.\r\nAdheres slightly to the tongue.","Alteration mineral of periclase in marbles.","Natural History Museum, London 1911,730","Named in 1824 by François Sulpice Beudant in honor of Archibald Bruce (February 1777 New York, New York, USA - February 22, 1818, New York, New York, USA), physician, early American mineralogist, and editor of the American Mineralogical Journal, who first described the species.","2026-01-12 17:34:20",[86,89],{"id":87,"name":88,"entrytype":42,"csystem":11,"ima_formula":11,"mindat_formula":11,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},52570,"Manganese-bearing Brucite",{"id":90,"name":91,"entrytype":42,"csystem":11,"ima_formula":11,"mindat_formula":15,"hmin":11,"hmax":11,"dmeas":38,"dcalc":38,"primary_image_id":92},2876,"Nemalite",70305,[94,104,111,119],{"id":95,"name":96,"entrytype":9,"csystem":35,"ima_formula":97,"mindat_formula":98,"hmin":99,"hmax":100,"dmeas":101,"dcalc":102,"primary_image_id":103},180,"Amakinite","Fe(OH)\u003Csub>2\u003C\u002Fsub>","Fe\u003Csup>2+\u003C\u002Fsup>(OH)\u003Csub>2\u003C\u002Fsub>",3.5,4,"2.925","2.74",1034,{"id":105,"name":106,"entrytype":9,"csystem":35,"ima_formula":107,"mindat_formula":107,"hmin":42,"hmax":47,"dmeas":108,"dcalc":109,"primary_image_id":110},3264,"Portlandite","Ca(OH)\u003Csub>2\u003C\u002Fsub>","2.227","2.26",19801,{"id":112,"name":113,"entrytype":9,"csystem":35,"ima_formula":114,"mindat_formula":115,"hmin":46,"hmax":47,"dmeas":116,"dcalc":117,"primary_image_id":118},3317,"Pyrochroite","Mn\u003Csup>2+\u003C\u002Fsup>(OH)\u003Csub>2\u003C\u002Fsub>","Mn(OH)\u003Csub>2\u003C\u002Fsub>","3.23","3.25",30550,{"id":120,"name":121,"entrytype":9,"csystem":35,"ima_formula":122,"mindat_formula":122,"hmin":99,"hmax":99,"dmeas":123,"dcalc":124,"primary_image_id":125},3936,"Theophrastite","Ni(OH)\u003Csub>2\u003C\u002Fsub>","4.00","3.95",24050,[127,136,145,153,162,169],{"id":128,"name":129,"entrytype":9,"csystem":130,"ima_formula":131,"mindat_formula":132,"hmin":99,"hmax":100,"dmeas":133,"dcalc":134,"primary_image_id":135},307,"Aragonite","Orthorhombic","Ca(CO\u003Csub>3\u003C\u002Fsub>)","CaCO\u003Csub>3\u003C\u002Fsub>","2.947","2.944",29132,{"id":137,"name":138,"entrytype":9,"csystem":139,"ima_formula":140,"mindat_formula":141,"hmin":46,"hmax":46,"dmeas":142,"dcalc":143,"primary_image_id":144},377,"Artinite","Monoclinic","Mg\u003Csub>2\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub> · 3H\u003Csub>2\u003C\u002Fsub>O","Mg\u003Csub>2\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>·3H\u003Csub>2\u003C\u002Fsub>O","2.01","2.047",2121,{"id":146,"name":147,"entrytype":9,"csystem":139,"ima_formula":148,"mindat_formula":149,"hmin":99,"hmax":99,"dmeas":150,"dcalc":151,"primary_image_id":152},1979,"Hydromagnesite","Mg\u003Csub>5\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O","Mg\u003Csub>5\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O","2.24","2.25",11889,{"id":154,"name":155,"entrytype":9,"csystem":156,"ima_formula":157,"mindat_formula":157,"hmin":158,"hmax":158,"dmeas":159,"dcalc":160,"primary_image_id":161},2503,"Manganosite","Isometric","MnO",5.5,"5.364","5.36",30158,{"id":163,"name":164,"entrytype":9,"csystem":156,"ima_formula":165,"mindat_formula":165,"hmin":158,"hmax":158,"dmeas":166,"dcalc":167,"primary_image_id":168},3161,"Periclase","MgO","3.55","3.581",19082,{"id":170,"name":171,"entrytype":9,"csystem":156,"ima_formula":172,"mindat_formula":173,"hmin":99,"hmax":99,"dmeas":174,"dcalc":175,"primary_image_id":176},4388,"Zaratite","Ni\u003Csub>3\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O","Ni\u003Csub>3\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O ?","2.57","2.67",28663,[],[179],{"id":180,"txt":181,"latitude":182,"longitude":183,"country":184},4012,"Castle Point, Hoboken, Hudson County, New Jersey, USA",40.745,-74.0233333,"USA",477,[187,190,194,197,201,205,209,213,218,223,227,232,236,240,244,248,252,255,258,263,267,271,276,281,286,290,295,299,304,309,314,318],{"id":188,"year":26,"html":189,"doi":11},16104283,"Bruce, A. (1814) On native magnesia from New Jersey. The American Mineralogical Journal: 1: 26-30. (as Native Magnesia)",{"id":191,"year":192,"html":193,"doi":11},16104284,1818,"Pierce, J. (1818) Carbonate of Magnesia, and very uncommon Amianthus, discovered near New York. American Journal of Science: 1: 54-55. (as Amianthus)",{"id":195,"year":192,"html":196,"doi":11},16104285,"Silliman, B. (1818) Scientific Intelligence. Brucite. American Journal of Science: 1: 439-439.",{"id":198,"year":199,"html":200,"doi":11},16104286,1821,"Nuttall, T. (1821) Observations on the serpentine rocks of Hoboken, in New-Jersey, and on the minerals which they contain. American Journal of Science: 4: 18.",{"id":202,"year":203,"html":204,"doi":11},16104287,1849,"Whitney, J.D. (1849) Chemical Examination of some American Minerals. Fibrous Hydrate of Magnesia, Nemalite of Nuttall, Thomson and Connell. Boston Journal of Natural History: 36-42 (36-37).",{"id":206,"year":207,"html":208,"doi":11},16104288,1861,"Hermann, R. (1861) Ueber Monoklinoëdrisches Magnesiahydrat oder Texalith. Journal für praktische Chemie: 82: 368-369.",{"id":210,"year":211,"html":212,"doi":11},16104289,1910,"Hintze, C. (1910) Handbuch der Mineralogie, Leipzig, 1(2A), 2086.",{"id":214,"year":215,"html":216,"doi":217},435286,1919,"Aminoff, G. (1919) Über die Krystallstruktur des Pyrochroits. \u003Ci>Geologiska Föreningen i Stockholm Förhandlingar\u003C\u002Fi>,  41 (5) 407-431 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F11035891909447000'>doi:10.1080\u002F11035891909447000\u003C\u002Fa>","10.1080\u002F11035891909447000",{"id":219,"year":220,"html":221,"doi":222},103539,1921,"Aminoff, G. (1921) XXV. Über die Struktur des Magnesiumhydroxydes. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  56 (1) 506-509 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1921.56.1.506'>doi:10.1524\u002Fzkri.1921.56.1.506\u003C\u002Fa>","10.1524\u002Fzkri.1921.56.1.506",{"id":224,"year":225,"html":226,"doi":11},519994,1932,"Berman, Harry (1932) Fibrous brucite from Quebec. \u003Ci>American Mineralogist\u003C\u002Fi>,  17 (7) 313-316 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM17\u002FAM17_313.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":228,"year":229,"html":230,"doi":231},105311,1936,"Garrido, J. (1936) Sur la brucite fibreuse. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  95 (1) 189-194 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1936.95.1.189'>doi:10.1524\u002Fzkri.1936.95.1.189\u003C\u002Fa>","10.1524\u002Fzkri.1936.95.1.189",{"id":233,"year":234,"html":235,"doi":11},1118651,1944,"Palache, Charles, Berman, Harry, Frondel, Clifford (1944) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.",{"id":237,"year":238,"html":239,"doi":11},17077780,1963,"Tupper, W. M. (1963) Brucite, a new occurrence at Meat Cove, Nova Scotia. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  7 (5) 796-804 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM7_796.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":241,"year":242,"html":243,"doi":11},16104297,1965,"Isetti, G. (1965) Ricerche sulla struttura della Brucite. Periodico di Mineralogia – Roma pp. 327-335.",{"id":245,"year":242,"html":246,"doi":247},2224843,"Schmalz, R. F. (1965) Brucite in Carbonate Secreted by the Red Alga Goniolithon sp. \u003Ci>Science\u003C\u002Fi>, 149 (3687). 993-996 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1126\u002Fscience.149.3687.993'>doi:10.1126\u002Fscience.149.3687.993\u003C\u002Fa>","10.1126\u002Fscience.149.3687.993",{"id":249,"year":250,"html":251,"doi":11},525866,1972,"Liebling, Richard S., Langer, Arthur M. (1972) Optical properties of fibrous brucite from Asbestos, Quebec. \u003Ci>American Mineralogist\u003C\u002Fi>,  57 (5-6) 857-864 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM57\u002FAM57_857.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":253,"year":146,"html":254,"doi":11},17079526,"Peterson, R. C., Hill, R. J., Gibbs, G. V. (1979) A molecular – orbital study of distortions in the layer structures brucite, gibbsite, and serpentine. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  17 (4) 703-711 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM17_703.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":256,"year":146,"html":257,"doi":11},17079527,"Whittaker, E. J. W., Middleton, A. P. (1979) The intergrowth of fibrous brucite and fibrous magnesite with chrysotile. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  17 (4) 699-702 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM17_699.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":259,"year":260,"html":261,"doi":262},111549,1988,"Delnavaz, H.; Allmann, R. (1988) Synthesen von Fe-Brucit, Coalingit und Pyroaurit im System MgO- Fe-O\u003Csub>2\u003C\u002Fsub>-H\u003Csub>2\u003C\u002Fsub>O-(CO\u003Csub>2\u003C\u002Fsub>). \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  183 (1-4). 175-178 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1988.183.14.175'>doi:10.1524\u002Fzkri.1988.183.14.175\u003C\u002Fa>","10.1524\u002Fzkri.1988.183.14.175",{"id":264,"year":265,"html":266,"doi":11},16104300,1989,"Berg, G.W. (1989) The significance of brucite in South African kimberlites. In Kimberlite and Related Rocks, Volume 2: Their Mantle\u002FCrust Setting, Diamonds and Diamond Exploration; Geological Society of Australia Special Publication, 14; 282–296. Blackwell Scientific, Cambridge, England.",{"id":268,"year":269,"html":270,"doi":11},529578,1994,"Parise, John B., Leinenweber, Kurt, Weidner, Donald J., Tan, Kemin, von Dreele, Robert B. (1994) Pressure-induced H bonding: Neutron diffraction study of brucite, Mg(OD)2, to 9.3 GPa. \u003Ci>American Mineralogist\u003C\u002Fi>,  79 (1-2) 193-196 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM79\u002FAM79_193.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":272,"year":273,"html":274,"doi":275},393681,1998,"Xia, X., Weidner, D. J., Zhao, H. (1998) Equation of state of brucite; single-crystal Brillouin spectroscopy study and polycrystalline pressure-volume-temperature measurement. \u003Ci>American Mineralogist\u003C\u002Fi>,  83 (1) 68-74 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-1998-1-207'>doi:10.2138\u002Fam-1998-1-207\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol83\u002FAM83_68.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam-1998-1-207",{"id":277,"year":278,"html":279,"doi":280},10559820,2002,"Shannon, Robert D., Shannon, Ruth C., Medenbach, Olaf, Fischer, Reinhard X. (2002) Refractive Index and Dispersion of Fluorides and Oxides. \u003Ci>Journal of Physical and Chemical Reference Data\u003C\u002Fi>,  31 (4) 931-970 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1063\u002F1.1497384'>doi:10.1063\u002F1.1497384\u003C\u002Fa>","10.1063\u002F1.1497384",{"id":282,"year":283,"html":284,"doi":285},2422415,2003,"Frost, Ray L., Weier, Matt L., Kloprogge, J. Theo (2003) Raman spectroscopy of some natural hydrotalcites with sulphate and carbonate in the interlayer. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>, 34 (10). 760-768 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.1050'>doi:10.1002\u002Fjrs.1050\u003C\u002Fa>","10.1002\u002Fjrs.1050",{"id":287,"year":288,"html":289,"doi":11},16963387,2005,"(2005) Brucite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fbrucite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":291,"year":292,"html":293,"doi":294},395580,2006,"Braterman, P. S. (2006) Vibrational spectroscopy of brucite: A molecular simulation investigation. \u003Ci>American Mineralogist\u003C\u002Fi>,  91 (7) 1188-1196 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2006.2094'>doi:10.2138\u002Fam.2006.2094\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol91\u002FAM91_1188.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2006.2094",{"id":296,"year":292,"html":297,"doi":298},395443,"Jiang, F., Speziale, S., Duffy, T. S. (2006) Single-crystal elasticity of brucite, Mg(OH)2, to 15 GPa by Brillouin scattering. \u003Ci>American Mineralogist\u003C\u002Fi>,  91 (11) 1893-1900 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2006.2215'>doi:10.2138\u002Fam.2006.2215\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol91\u002FAM91_1893.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2006.2215",{"id":300,"year":301,"html":302,"doi":303},2426050,2007,"Frost, Ray L., Palmer, Sara J., Bouzaid, Jocelyn M., Reddy, B. Jagannadha (2007) A Raman spectroscopic study of humite minerals. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>, 38 (1). 68-77 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.1601'>doi:10.1002\u002Fjrs.1601\u003C\u002Fa>","10.1002\u002Fjrs.1601",{"id":305,"year":306,"html":307,"doi":308},244281,2012,"Mills, S. J.; Christy, A. G.; Génin, J.-M. R.; Kameda, T.; Colombo, F. (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  76 (5). 1289-1336 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2012.076.5.10'>doi:10.1180\u002Fminmag.2012.076.5.10\u003C\u002Fa>","10.1180\u002Fminmag.2012.076.5.10",{"id":310,"year":311,"html":312,"doi":313},397077,2013,"Ma, M., Liu, W., Chen, Z., Liu, Z., Li, B. (2013) Compression and structure of brucite to 31 GPa from synchrotron X-ray diffraction and infrared spectroscopy studies. \u003Ci>American Mineralogist\u003C\u002Fi>,  98 (1) 33-40 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2013.4117'>doi:10.2138\u002Fam.2013.4117\u003C\u002Fa>","10.2138\u002Fam.2013.4117",{"id":315,"year":316,"html":317,"doi":11},15937704,2014,"Kolitsch, U.; Rieck, B.; Brandstätter, F.; Schreiber, F.; Fabritz, K. H.; Blaß, G.; Gröbner, J. (2014) Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). \u003Ci>Mineralien-Welt\u003C\u002Fi>,  25 (1). 60-75",{"id":319,"year":320,"html":321,"doi":322},15744699,2023,"Tararushkin, Evgeny V., Pisarev, Vasily V., Kalinichev, Andrey G. (2023) Equation of State, Compressibility, and Vibrational Properties of Brucite over Wide Pressure and Temperature Ranges: Atomistic Computer Simulations with the Modified ClayFF Classical Force Field. \u003Ci>Minerals\u003C\u002Fi>, 13 (3) 408 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin13030408'>doi:10.3390\u002Fmin13030408\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.mdpi.com\u002F2075-163X\u002F13\u002F3\u002F408\u002Fpdf?version=1678860973' class='refpdflink'>\u003C\u002Fa>","10.3390\u002Fmin13030408",[324,334,341,349,354,361,366,375,383,387,394,401,410,418,427,435,443,450,458,468,474,481,488,497,504],{"id":325,"source_url":326,"license_code":327,"credit_html":328,"title":329,"description":330,"author":331,"original_width":332,"original_height":333},4064,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138532","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138532\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-113294.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wood's Chrome Mine (Wood's Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTexas\" class=\"extiw\" title=\"en:Texas\">Texas\u003C\u002Fa>, Little Britain Township, Lancaster County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPennsylvania\" class=\"extiw\" title=\"en:Pennsylvania\">Pennsylvania\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4086.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 10.8 x 9.0 x 3.4 cm.\u003C\u002Fdd>\n\u003Cdd>A CLASSIC, OLD-TIME CABINET specimen of sharp, lustrous, translucent, gray brucite blades richly covering matrix from a famous, old locality - Texas, Pennsylvania. Ex L.L. Hubbard Collection and Seaman Museum. His collection, acquired around 1933, is considered one of the keystones to the Seaman Museum. I obtained this piece in a trade with the Seaman. The bit of bruising is certainly not detracting from this very fine, old piece.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",600,440,{"id":335,"source_url":336,"license_code":337,"credit_html":338,"title":7,"description":11,"author":11,"original_width":339,"original_height":340},29333,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164862","CC BY-SA 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164862\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",1000,750,{"id":342,"source_url":343,"license_code":327,"credit_html":344,"title":345,"description":346,"author":331,"original_width":347,"original_height":348},4065,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160818","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160818\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-211589.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: N'Chwaning Mines, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKuruman,_Northern_Cape\" class=\"extiw\" title=\"en:Kuruman, Northern Cape\">Kuruman\u003C\u002Fa>, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-55925.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.4 x 3.4 x 1.6 cm.\u003C\u002Fdd>\n\u003Cdd>Brucite is definitely one of the lesser known species from the famous N’Chwaning Mines. Brucite is an uncommon magnesium hydroxide. Sharp, lustrous, translucent, trigonal, pastel-yellow brucite crystals form an excellent, solid plate. Uncommon in this color and quality. Ex. Ken Hollmann Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",700,699,{"id":350,"source_url":351,"license_code":337,"credit_html":352,"title":7,"description":11,"author":11,"original_width":339,"original_height":353},29334,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F92364","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F92364\" rel=\"noopener\">The Estonian Museum of Natural History\u003C\u002Fa> via Europeana",777,{"id":355,"source_url":356,"license_code":327,"credit_html":357,"title":358,"description":359,"author":331,"original_width":332,"original_height":360},4066,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161433","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161433\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-215491.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3071.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.5 x 6.2 x 4.0 cm.\u003C\u002Fdd>\n\u003Cdd>Wavy, curving crystals of brucite with intense blue color - very rare for the species and classic for this mine. This is a superb, robust example, with great display aesthetics. Crystallized brucite is actually quite rare, known from just a handful of localities. For my taste, these are the prettiest for sheer color. Ex. Charlie Key.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",532,{"id":362,"source_url":363,"license_code":337,"credit_html":364,"title":7,"description":11,"author":11,"original_width":339,"original_height":365},29335,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F92326","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F92326\" rel=\"noopener\">The Estonian Museum of Natural History\u003C\u002Fa> via Europeana",923,{"id":367,"source_url":368,"license_code":369,"credit_html":370,"title":371,"description":372,"author":373,"original_width":347,"original_height":374},37274,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6965805","Public domain","Andrew Silver, USGS, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6965805\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>. Pen for scale. Mineral collection of Bringham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 4-2002, Mg(OH)_2.","Andrew Silver, USGS",525,{"id":376,"source_url":377,"license_code":327,"credit_html":378,"title":379,"description":380,"author":331,"original_width":381,"original_height":382},4067,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162820","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162820\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-225086.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wood's Chrome Mine (Wood's Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTexas\" class=\"extiw\" title=\"en:Texas\">Texas\u003C\u002Fa>, Little Britain Township, Lancaster County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPennsylvania\" class=\"extiw\" title=\"en:Pennsylvania\">Pennsylvania\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4086.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 11.3 x 6.8 x 3.6 cm.\u003C\u002Fdd>\n\u003Cdd>Very sharp, textbook-quality crystals of this rarely crystallized species, from the classic locality in the US. This was not the first locality, but it has remained the best in the USA for sharp crystals and they are quite different in habit from the fine brucite found at a very few other locales (Kazakhstan, and South Africa) today. This piece has large, well-displayed crystals to 4 cm across, and is thus fairly significant.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",800,536,{"id":384,"source_url":385,"license_code":337,"credit_html":386,"title":7,"description":11,"author":11,"original_width":339,"original_height":365},29336,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F92213","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F92213\" rel=\"noopener\">The Estonian Museum of Natural History\u003C\u002Fa> via Europeana",{"id":388,"source_url":389,"license_code":327,"credit_html":390,"title":391,"description":392,"author":331,"original_width":332,"original_height":393},37275,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138413","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138413\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-112569.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wood's Chrome Mine (Wood's Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTexas\" class=\"extiw\" title=\"en:Texas\">Texas\u003C\u002Fa>, Little Britain Township, Lancaster County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPennsylvania\" class=\"extiw\" title=\"en:Pennsylvania\">Pennsylvania\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4086.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A sharply crystallized rosette, or spherical aggregate rather, of translucent brucite from this important East Coast locality. It was almost certainly collected during the mid to late 1800s heyday here. Fine miniatures of this material, that actually have some aesthetics, are VER rare and hard to get ahold of. I have had bigger pieces, pricier pieces, bigger crystals, but never such a nice showy specimen for the size. 4.2 x 2.9 x 2.8 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",474,{"id":395,"source_url":396,"license_code":327,"credit_html":397,"title":398,"description":399,"author":331,"original_width":400,"original_height":332},4068,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163928","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163928\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-231242.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Palabora mine, Loolekop, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPhalaborwa\" class=\"extiw\" title=\"en:Phalaborwa\">Phalaborwa\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLimpopo\" class=\"extiw\" title=\"en:Limpopo\">Limpopo Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3091.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.6 x 4.4 x 2.3 cm.\u003C\u002Fdd>\n\u003Cdd>This is a very fine specimen, a large miniature, of unusual blue brucite from the Palabora Mine. This piece has extremely good aesthetics and crystal definition.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",579,{"id":402,"source_url":403,"license_code":337,"credit_html":404,"title":405,"description":406,"author":407,"original_width":408,"original_height":409},4069,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=59248757","AyselkaDjabrailova, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=59248757\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite1.jpg","Brucite, 170 mm, Kyalbajar region, Azerbaijan","AyselkaDjabrailova",1044,1483,{"id":411,"source_url":412,"license_code":327,"credit_html":413,"title":414,"description":415,"author":331,"original_width":416,"original_height":417},37276,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162800","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162800\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-225066.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wood's Chrome Mine (Wood's Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTexas\" class=\"extiw\" title=\"en:Texas\">Texas\u003C\u002Fa>, Little Britain Township, Lancaster County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPennsylvania\" class=\"extiw\" title=\"en:Pennsylvania\">Pennsylvania\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4086.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 14.5 x 11.4 x 3.0 cm.\u003C\u002Fdd>\n\u003Cdd>Very sharp, typically bladed and disc-like crystals of this rarely crystallized species, from the classic locality in the US. This was not the first locality, but it has remained the best in the USA for sharp crystals and they are quite different in habit from the fine brucite found at a very few other locales (Kazakhstan, and South Africa) today. This piece has large, translucent crystals to 2 cm across, and combined with the overall size of the specimen is thus fairly significant. Ex. George Loud Collection and University of Chicago Museum Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,366,{"id":419,"source_url":420,"license_code":337,"credit_html":421,"title":422,"description":423,"author":424,"original_width":425,"original_height":426},4070,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98529310","Ivar Leidus, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98529310\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite - Killa Saifullah, Pakistan.jpg","Yellow brucite (4.0 × 3.0 × 2.5 cm) from Killa Saifullah, Balochistan, Pakistan.","Ivar Leidus",4000,5333,{"id":428,"source_url":429,"license_code":327,"credit_html":430,"title":431,"description":432,"author":331,"original_width":433,"original_height":434},37277,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165452","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165452\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-240556.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Palabora mine, Loolekop, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPhalaborwa\" class=\"extiw\" title=\"en:Phalaborwa\">Phalaborwa\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLimpopo\" class=\"extiw\" title=\"en:Limpopo\">Limpopo Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3091.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 8.4 x 4 x 2.6 cm.\u003C\u002Fdd>\n\u003Cdd>A fine, very attractive intense pastel-blue Brucite specimen with sharp crystals of unusually good quality. The edges of the piece are contacted, but the crystals along the edges and at the core are in excellent condition and have very good color for the material. The translucent to gemmy crystals have well-defined terminations and range up to 1.5 cm long and 1 cm across, exceptional for brucite from the locality. Ex. Charlie Key stock.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",499,256,{"id":436,"source_url":437,"license_code":327,"credit_html":438,"title":439,"description":440,"author":331,"original_width":441,"original_height":442},70301,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166122","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166122\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-244396.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: N'Chwaning II Mine, N'Chwaning Mines, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKuruman,_Northern_Cape\" class=\"extiw\" title=\"en:Kuruman, Northern Cape\">Kuruman\u003C\u002Fa>, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3067.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.1 x 2.8 x 1.2 cm.\u003C\u002Fdd>\n\u003Cdd>A lustrous, botryoidal plate of pearly-white Brucite on matrix. The banded Brucite has a secondary growth that partially coats the botryoids, which range up to .7 cm across. This secondary coating has an incredible shimmer to it, and is also fluorescent. This uncommon habit for Brucite, at least for N’Chwaning II, is very attractive. Ex. Charlie Key.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",500,385,{"id":444,"source_url":445,"license_code":327,"credit_html":446,"title":447,"description":448,"author":331,"original_width":416,"original_height":449},70302,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10476338","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10476338\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-usa21c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wood's Chrome Mine (Wood's Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTexas\" class=\"extiw\" title=\"en:Texas\">Texas\u003C\u002Fa>, Little Britain Township, Lancaster County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPennsylvania\" class=\"extiw\" title=\"en:Pennsylvania\">Pennsylvania\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4086.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: cabinet, 11.3 x 6.8 x 3.6 cm\n\u003Cdl>\u003Cdt>Brucite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Very sharp, textbook-quality crystals of this rarely crystallized species, from THE classic locality in the US. This was not the first locality , but it has remained the best in the USA for sharp crystals and they are quite different in habit from the fine brucite found at a very few other lcoales (Kazakhstan, and South Africa) today. This piece has large, well-displayed crystals to 4 cm across, and is thus fairly significant.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",333,{"id":451,"source_url":452,"license_code":327,"credit_html":453,"title":454,"description":455,"author":331,"original_width":456,"original_height":457},70303,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10477474","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10477474\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-back01c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wood's Chrome Mine (Wood's Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTexas\" class=\"extiw\" title=\"en:Texas\">Texas\u003C\u002Fa>, Little Britain Township, Lancaster County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPennsylvania\" class=\"extiw\" title=\"en:Pennsylvania\">Pennsylvania\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4086.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: large cabinet, 19.5 x 14.5 x 3.2 cm\n\u003Cdl>\u003Cdt>Brucite (huge crystal!)\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\nThis is a major, museum-sized specimen with 5 inch brucite crystals, transparent! It is an important piece, of the kind of thing one rarely sees for sale in any size, let alone gigantic. Complete on both sides, this is one of the most displayable old examples I have seen. They were mined in the late 1800s and early 1900s. This one, as you can see, has a long history and was in the prominent collection of EM Gunnell. Although somewhat esoteric to the majority of collectors, I consider these to be prized rarities and major United States classics. For the price, you get one of the best, unarguably, of this species and locality - and the sad fact is one cannot say that about many species' acquisition today. I believe this to be one of the more significant US specimens I have been able to offer, in terms of worldwide or museum import, even if its not as sexy as a tourmaline.",2254,1632,{"id":459,"source_url":460,"license_code":461,"credit_html":462,"title":463,"description":464,"author":465,"original_width":466,"original_height":467},70306,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=126407873","CC BY 2.0","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=126407873\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite (Premier Chemicals Mine, Paradise Range, Nevada, USA) 2.jpg","Brucite from the Mesozoic of Nevada, USA. (collected in 1970; ~8.3 centimeters across at its widest)\n\u003Cp>A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.  At its simplest, a mineral is a naturally-occurring solid chemical.  Currently, there are over 5800 named and described minerals - about 200 of them are common and about 20 of them are very common.  Mineral classification is based on anion chemistry.  Major categories of minerals are: elements, sulfides, oxides, halides, carbonates, sulfates, phosphates, and silicates.\n\u003C\u002Fp>\u003Cp>The hydroxide minerals all contain one or more hydroxide anions (OH-).\n\u003C\u002Fp>\u003Cp>Brucite is a magnesium hydroxide mineral - Mg(OH)2.  It usually forms by alteration of ultramafic rocks and is often associated with serpentinite and talcose rocks.  Brucite forms platy hexagonal crystals with a hardness of 2.5 to 3 on the Mohs Scale.  It superficially resembles talc somewhat, but is harder.  Brucite has one perfect cleavage, and breaks into thin sheets like mica.\n\u003C\u002Fp>\u003Cp>Seen here is a magnesium ore sample - this is rock-forming brucite from a mine in west-central Nevada.  At the site, magnesite and brucite are mined for their magnesium content.  The deposits are hosted by the Triassic-aged Luning Formation.  Published research has concluded that the brucite formed by contact metamorphic replacement (metasomatism).  During the Jurassic or Cretaceous, a granodiorite intrusion was emplaced in the area and converted magnesite (MgCO3, magnesium carbonate) to brucite (Mg(OH)2, magnesium hydroxide).\n\u003C\u002Fp>\u003Cp>Stratigraphy of host rocks: upper member, Luning Formation, Upper Triassic\n\u003C\u002Fp>\u003Cp>Locality: Premier Chemicals Mine (also known as: Gabbs Magnesite-Brucite Mine \u002F Basic Refractories Mine \u002F Sierra Magnesite Mine), Gabbs Mining District, western flanks of the Paradise Range, Nye County, west-central Nevada, USA (vicinity of 38° 51' 53\u003Ci> North latitude, 117° 53' 34\u003C\u002Fi> West longitude)\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>Photo gallery of brucite:\n\u003C\u002Fp>\nwww.mindat.org\u002Fgallery.php?min=820","James St. John",2169,1877,{"id":469,"source_url":470,"license_code":327,"credit_html":471,"title":472,"description":432,"author":331,"original_width":441,"original_height":473},4079,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165453","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165453\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-240557.jpg",370,{"id":475,"source_url":476,"license_code":327,"credit_html":477,"title":478,"description":479,"author":331,"original_width":332,"original_height":480},37278,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170390","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170390\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ettringite-Brucite-266930.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEttringite\" class=\"extiw\" title=\"en:Ettringite\">Ettringite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3071.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.4 x 3.0 x 2.0 cm.\u003C\u002Fdd>\n\u003Cdd>Lustrous, gemmy, canary-yellow ettringite microcrystals cover the 3-dimensional crust of contrasting snow-white brucite on this fine combination specimen from the Wessels Mine of South Africa. Brucite is an uncommon magnesium hydroxide and is definitely one of the lesser known species from the renowned Kalahari Manganese Field.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",452,{"id":482,"source_url":483,"license_code":327,"credit_html":484,"title":485,"description":486,"author":331,"original_width":487,"original_height":381},37279,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10450616","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10450616\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-Calcite-k291a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3071.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 3.5 x 2.9 x 1.9 cm\n\u003Cdl>\u003Cdt>Calcite on Brucite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Another piece from obviously the same pocket as the above, this is to me one of the most unprecedented specimens in the collection for the aesthetics and the oddity of the combo. The calcite is almost an inch across, sharp, and very translucent. It has a contact on the left edge of the rhomb, that is detracting a bit, but the price is adjusted accordingly. The brucite is waxy-lustrous, and superb on its own merits. Again, I think the contrast between the sharp rhomb and the curvy brucite really adds visual impact and get this piece noticed!\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",630,{"id":489,"source_url":490,"license_code":337,"credit_html":491,"title":492,"description":493,"author":494,"original_width":495,"original_height":496},7548,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=66166537","Joan Rosell, from rosellminerals.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=66166537\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","RM1631-Dypingita-hidromagnesita-brucita-gualba.jpg",":Estéticos y brillantes agregados de cristales foliáceos, formando rosetas, de intenso color blanco, aunque son incoloros, de dypingita. Se acompañan de gavillas de cristales aplanados de hidromagnesita, entre translúcidos a transparentes, incoloros (recuerdan al aragonito). Todos ellos se disponen sobre una matriz de roca recubierta de una capa con formas botroidales, de color azul a gris, de brucita. Una pieza catalana de las que hoy día cuesta encontrar, con especies poco habituales y con calidad.\n\u003Cdl>\u003Cdd>From: Pedrera de l'Àngel, Montseny massif, Gualba, Barcelona, Catalunya, España\u003C\u002Fdd>\n\u003Cdd>Medidas: 8.5 x 7.0 x 6.0 cm.\u003C\u002Fdd>\n\u003Cdd>Encontrado en 1970's.\u003C\u002Fdd>\n\u003Cdd>Ex. L. Daunis (Barcelona)\u003C\u002Fdd>\n\u003Cdd>Ejemplar con análisis\u003C\u002Fdd>\u003C\u002Fdl>","Joan Rosell, from rosellminerals.com",872,1260,{"id":498,"source_url":499,"license_code":327,"credit_html":500,"title":501,"description":502,"author":331,"original_width":503,"original_height":332},61808,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10135138","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10135138\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-Jouravskite-54384.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FJouravskite\" class=\"extiw\" title=\"en:Jouravskite\">Jouravskite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: N'Chwaning Mines, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKuruman,_Northern_Cape\" class=\"extiw\" title=\"en:Kuruman, Northern Cape\">Kuruman\u003C\u002Fa>, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-55925.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This is definitely one of the lesser known species from N’Chwaning, which arguably produced the finest rhodochrosites in the world. However, who wants the common stuff, eh? This new find of lovely, translucent, pastel-colored brucite is just incredible for the species. Very nearly a floater, complete all around save for a small matrix attachment seam along the back, this is a steller miniature with great aesthetics! The yellow dusting is a bonus - microcrystals of the rare mineral Jouravskite 3.9 x 2 x 1.9cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",451,{"id":505,"source_url":506,"license_code":327,"credit_html":507,"title":508,"description":509,"author":331,"original_width":381,"original_height":510},70300,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140203","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10140203\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brucite-Calcite-120654.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrucite\" class=\"extiw\" title=\"en:Brucite\">Brucite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3071.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A very striking cluster of unusually mustard-colored brucite crystals with sparkling calcite for accent! 4.1 x 2.8 x 2.0 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",567,[512,518,524,528,533],{"id":513,"url":514,"label":515,"formula":516,"spacegroup":517,"year":292},1969,"\u002Fcif\u002F1969.cif","Mookherjee 2006","Mg O2 H2","P -3",{"id":250,"url":519,"label":520,"formula":521,"spacegroup":522,"year":523},"\u002Fcif\u002F1972.cif","Nagai 2000","Mg O2","P -3 m 1",2000,{"id":146,"url":525,"label":526,"formula":516,"spacegroup":522,"year":527},"\u002Fcif\u002F1979.cif","Catti 1995",1995,{"id":529,"url":530,"label":531,"formula":532,"spacegroup":522,"year":269},1983,"\u002Fcif\u002F1983.cif","Parise 1994","Mg O2 D1.998",{"id":534,"url":535,"label":536,"formula":516,"spacegroup":522,"year":537},1987,"\u002Fcif\u002F1987.cif","Zigan 1967",1967,[539,540,541,542,543,544,545,546,547],"Amianthoid Magnesite","Hydrate de magnésie","Hydrate of Magnesia","Magnesia-Hydrat","Monoklinoëdrisches Magnesiahydrat","Native Magnesia","Shepardite (of Brooke)","Talk-Hydrat","Texalite",[549,553,558,562,566,570,574,578,582,586,590,593,598,601,607,611,615,618,621,624,628,631,635,639,643,647,651,654,657,661,664,667,670,674,677,680,683,686,689,694,697],{"lang":550,"names":551},"af",[552],"Brusiet",{"lang":554,"names":555},"ar",[556,557],"بروسيت","بروسيت (معدن)",{"lang":559,"names":560},"az",[561],"Brusit",{"lang":563,"names":564},"ca",[565],"brucita",{"lang":567,"names":568},"de",[569],"Brucit",{"lang":571,"names":572},"es",[573],"Brucita",{"lang":575,"names":576},"et",[577],"brussit",{"lang":579,"names":580},"eu",[573,581],"Bruzita",{"lang":583,"names":584},"fa",[585],"بروسیت",{"lang":587,"names":588},"fi",[589],"Brusiitti",{"lang":591,"names":592},"fr",[7],{"lang":594,"names":595},"he",[596,597],"ברוסיט","ברוציט",{"lang":599,"names":600},"it",[7],{"lang":602,"names":603},"ja",[604,605,606],"ブルーサイト","ブルース石","水滑石",{"lang":608,"names":609},"kk",[610],"Брусит",{"lang":612,"names":613},"kk-arab",[614],"برۋسىيت",{"lang":616,"names":617},"kk-cn",[614],{"lang":619,"names":620},"kk-cyrl",[610],{"lang":622,"names":623},"kk-kz",[610],{"lang":625,"names":626},"kk-latn",[627],"Brwsït",{"lang":629,"names":630},"kk-tr",[627],{"lang":632,"names":633},"lt",[634],"Brusitas",{"lang":636,"names":637},"mk",[638],"Бруцит",{"lang":640,"names":641},"mn",[642],"Браусят",{"lang":644,"names":645},"nb",[646],"brucitt",{"lang":648,"names":649},"nl",[650],"Bruciet",{"lang":652,"names":653},"nn",[646],{"lang":655,"names":656},"oc",[573],{"lang":658,"names":659},"pl",[660],"Brucyt",{"lang":662,"names":663},"pt",[565,7],{"lang":665,"names":666},"ru",[610],{"lang":668,"names":669},"sh",[569],{"lang":671,"names":672},"sr",[673],"бруцит",{"lang":675,"names":676},"sr-ec",[638],{"lang":678,"names":679},"sr-el",[569],{"lang":681,"names":682},"sv",[569],{"lang":684,"names":685},"uk",[610],{"lang":687,"names":688},"uz",[561],{"lang":690,"names":691},"vec",[692,693],"bruzita","bruzite",{"lang":695,"names":696},"vi",[569],{"lang":698,"names":699},"zh",[700,701],"水鎂石","水镁石","Q419250",{"history":11,"applications":11}]