[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1341":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":22,"key_elements":23,"impurities":24,"cim":25,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":29,"discovery_year":30,"strunz10ed1":31,"strunz10ed2":32,"strunz10ed3":33,"strunz10ed4":34,"dana8ed1":35,"dana8ed2":36,"dana8ed3":37,"dana8ed4":36,"csystem":38,"cclass":39,"spacegroup":40,"spacegroupset":41,"a":42,"b":41,"c":41,"alpha":41,"beta":41,"gamma":41,"aerror":43,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":44,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":45,"morphology":46,"tlform":11,"hmin":47,"hmax":48,"hardtype":11,"vhnmin":41,"vhnmax":41,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":49,"dmeas2":50,"dcalc":51,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":52,"lustretype":53,"commentluster":11,"diapheny":54,"streak":11,"colour":55,"commentcolor":11,"colors":56,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":62,"cleavagetype":63,"fracturetype":64,"tenacity":65,"commentbreak":11,"opticaltype":66,"opticalsign":11,"opticalalpha":41,"opticalalpha2":41,"opticalalphaerror":11,"opticalbeta":41,"opticalbeta2":41,"opticalbetaerror":11,"opticalgamma":41,"opticalgamma2":41,"opticalgammaerror":11,"opticalomega":41,"opticalomega2":41,"opticalomegaerror":11,"opticalepsilon":41,"opticalepsilon2":41,"opticalepsilonerror":11,"opticaln":67,"opticaln2":68,"opticalnerror":11,"optical2vcalc":41,"optical2vcalc2":41,"optical2vcalcerror":11,"optical2vmeasured":41,"optical2vmeasured2":41,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"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":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":69,"type_specimen_store":70,"description_short":71,"aboutname":72,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":73,"reviewed_at":11,"variety_of":11,"varieties":74,"group_members":75,"associates":101,"confused_with":102,"type_localities":103,"occurrence_total":110,"citations":111,"images":199,"structures":249,"synonyms":261,"language_names":263,"wikidata_qid":320,"texts":321},1341,"1:1:1341:9","958d0019-0b48-437c-8f87-0463bee15384","Danalite","Dan",0,"mineral",null,40167,602,false,"Be\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>S",[17,18,19,20,21],"Be","Fe","Si","O","S",[17,18,19,20,21],[17],",Mn,Zn,Ca,S,,","17.9.5",[27,28],"APPROVED","GRANDFATHERED",1866,"1866","9","F","B","10","76","2","4","Isometric",30,212,"0","8.21",1,2,"Genthelvite on danalite cores from Cheyenne Canyon, Colorado (Zito and Hanson, 2017).","Octahedral and dodecahedral crystals to 10cm.",5.5,6,"3.28","3.46","3.36","Vitreous, resinous","Vitreous,Greasy","Translucent","Pink, grey, yellow, reddish brown, red",[57,58,59,60,61],"pink","red","brown","yellow","gray","Poor on {111}\u003Cmi>{1_11}\u003C\u002Fmi>","Poor\u002FIndistinct","Irregular\u002FUneven,Sub-Conchoidal","brittle","Isotropic","1.747","1.771","In granites, granitic pegmatites, skarns, gneisses.","Harvard University, Cambridge, Massachusetts, 85384.\r\nNational Museum of Natural History, Washington, D.C., USA, 124353.\r\nThe Natural History Museum, London, England, 1976,422.","Helvine Group. Danalite-Genthelvite Series and the Danalite-Helvine Series.\r\n\r\nNB: Not to be confused with Danaite, a cobalt-bearing variety of arsenopyrite.","Named in honor of James Dwight Dana (12 February 1813, Utica, New York, USA - 14 April 1895, New Haven, Connecticut, USA) mineralogist and geologist at Yale University.  He made pioneering studies of mountain-building, volcanic activity, the origin and structure of continents and oceans, as well as zoology.  He wrote the System of Mineralogy, the Manual of Mineralogy, and the Manual of Geology.  Several geographical features are named after him including a mountain in California, a ridge on the Moon, and a crater on Mars, as is a fossil species of horseshoe crab.  He was the son-in-law of Benjamin Silliman (\u003Cm>sillimanite\u003C\u002Fm>).","2025-12-01 11:25:32",[],[76,84,91],{"id":77,"name":78,"entrytype":9,"csystem":38,"ima_formula":79,"mindat_formula":79,"hmin":48,"hmax":80,"dmeas":81,"dcalc":82,"primary_image_id":83},1673,"Genthelvite","Be\u003Csub>3\u003C\u002Fsub>Zn\u003Csub>4\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>S",6.5,"3.44","3.70",9778,{"id":85,"name":86,"entrytype":9,"csystem":38,"ima_formula":87,"mindat_formula":87,"hmin":48,"hmax":80,"dmeas":88,"dcalc":89,"primary_image_id":90},1855,"Helvine","Be\u003Csub>3\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>S","3.2","3.23",11105,{"id":92,"name":93,"entrytype":9,"csystem":94,"ima_formula":95,"mindat_formula":96,"hmin":97,"hmax":97,"dmeas":98,"dcalc":99,"primary_image_id":100},4044,"Tugtupite","Tetragonal","Na\u003Csub>4\u003C\u002Fsub>BeAlSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>Cl","(BeAlSi)Na\u003Csub>4\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>Cl",4,"2.33","2.34",24705,[],[],[104],{"id":105,"txt":106,"latitude":107,"longitude":108,"country":109},3825,"Rockport, Essex County, Massachusetts, USA",42.6555556,-70.6202778,"USA",75,[112,116,120,124,128,133,137,141,146,150,155,159,163,167,172,176,181,186,190,194],{"id":113,"year":114,"html":115,"doi":11},15943216,1879,"Wadsworth, M.E. (1879) Danalite From the Iron Mine, Bartlett, New Hampshire. Proceedings of the Boston Society of Natural History: 20: 284-286.",{"id":117,"year":118,"html":119,"doi":11},16108129,1892,"Miers, H.A., Prior, G.T. (1892) Danalite from Cornwall. Mineralogical Magazine and Journal of the Mineralogical Society: 10(45): 10-14.",{"id":121,"year":122,"html":123,"doi":11},521427,1944,"Glass, Jewell J., Jahns, Richard H., Stevens, and Rollin E (1944) Helvite and danalite from New Mexico and the helvite group. \u003Ci>American Mineralogist\u003C\u002Fi>,  29 (5-6) 163-191 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM29\u002FAM29_163.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":125,"year":126,"html":127,"doi":11},18228169,1957,"Thompson, R. M. (1957) Danalite from British Columbia. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  6 (1). 68-71 \u003Ca target='_blank' href='https:\u002F\u002Fwww.rruff.net\u002Fdoclib\u002Fcm\u002Fvol6\u002FCM6_68.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":129,"year":130,"html":131,"doi":132},5647,1961,"Kingsbury, Arthur W. G. (1961) Beryllium minerals in Cornwall and Devon: helvine, genthelvite, and danalite. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  32 (255) 921-940 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1961.032.255.01'>doi:10.1180\u002Fminmag.1961.032.255.01\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_32\u002F32-255-921.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1961.032.255.01",{"id":134,"year":135,"html":136,"doi":11},16108132,1965,"Belolipetsky, A.P., Denisov, A.P., Kulchitzkaya, Е.А. (1965) Danalite Finding on the Kola Peninsula. In Materialy po Mineralogii Kolskogo Poluostrova. Vyp.4; Nauka: Leningrad, Russia: 190–194. (in Russian)",{"id":138,"year":139,"html":140,"doi":11},16770740,1966,"Cooke, Josiah P. Jr. (1966) XI - On Danalite, a new Mineral Species from the Granite of Rockport, Mass. \u003Ci>American Journal Of Science\u003C\u002Fi>,  S. 2 Vol. 42. 73-79",{"id":142,"year":143,"html":144,"doi":145},6943,1976,"Dunn, Pete J. (1976) Genthelvite and the helvine group. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  40 (314) 627-636 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1976.040.314.10'>doi:10.1180\u002Fminmag.1976.040.314.10\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_40\u002F40-314-627.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1976.040.314.10",{"id":147,"year":148,"html":149,"doi":11},527408,1980,"Burt, Donald M. (1980) The stability of danalite, Fe4Be3(SiO4)3S. \u003Ci>American Mineralogist\u003C\u002Fi>,  65 (3-4) 355-360 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM65\u002FAM65_355.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":151,"year":152,"html":153,"doi":154},190803,1984,"Hassan, I., Grundy, H. D. (1984) The crystal structures of sodalite-group minerals. \u003Ci>Acta Crystallographica Section B Structural Science\u003C\u002Fi>,  40 (1) 6-13 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108768184001683'>doi:10.1107\u002Fs0108768184001683\u003C\u002Fa>","10.1107\u002Fs0108768184001683",{"id":156,"year":157,"html":158,"doi":11},528051,1985,"Hassan, Ishmael, Grundy, H. Douglas (1985) The crystal structures of helvite group minerals, (Mn,Fe,Zn)8(Be6Si6O24)S2. \u003Ci>American Mineralogist\u003C\u002Fi>,  70 (1-2) 186-192 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM70\u002FAM70_186.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":160,"year":157,"html":161,"doi":162},4492563,"Maeda, Yonezo, Takashima, Yoshimasa, Ishida, Kiyotake (1985) Mössbauer Spectroscopic Study of Danalite, Fe4(BeSiO4)3S. \u003Ci>Bulletin of the Chemical Society of Japan\u003C\u002Fi>, 58 (3). 1047-1048 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1246\u002Fbcsj.58.1047'>doi:10.1246\u002Fbcsj.58.1047\u003C\u002Fa>","10.1246\u002Fbcsj.58.1047",{"id":164,"year":165,"html":166,"doi":11},16108137,1986,"Kwak, T.A.P., Jackson, P.G. (1986) The compositional variation and genesis of danalite in Sn-F-W skarns, NW Tasmania, Australia. Neues Jahrbuch für Mineralogie Monatshefte: 10: 452-462.",{"id":168,"year":169,"html":170,"doi":171},36,1996,"Nimis, P., Molin, G., Visonà, D. (1996) Crystal chemistry of danalite from Daba Shabeli Complex (N Somalia) \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  60 (399) 375-379 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1996.060.399.12'>doi:10.1180\u002Fminmag.1996.060.399.12\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_60\u002F60-399-375.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1996.060.399.12",{"id":173,"year":174,"html":175,"doi":11},16963899,2001,"(2001) Danalite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fdanalite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":177,"year":178,"html":179,"doi":180},63592,2002,"Antao, S. M., Hassan, I. (2002) Thermal Analyses of Sodalite, Tugtupite, Danalite and Helvite. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  40 (1) 163-172 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.40.1.163'>doi:10.2113\u002Fgscanmin.40.1.163\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fcm\u002Fvol40\u002FCM40_163.pdf' class='refpdflink'>\u003C\u002Fa>","10.2113\u002Fgscanmin.40.1.163",{"id":182,"year":183,"html":184,"doi":185},4416326,2003,"Armstrong, Jennifer A., Dann, Sandra E., Neumann, Klaus, Marco, Jose F. (2003) Synthesis, structure and magnetic behaviour of the danalite family of minerals, Fe8[BeSiO4]6X2 (X = S, Se, Te). \u003Ci>Journal of Materials Chemistry\u003C\u002Fi>, 13. 1229-1233 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1039\u002Fb210090h'>doi:10.1039\u002Fb210090h\u003C\u002Fa>","10.1039\u002Fb210090h",{"id":187,"year":183,"html":188,"doi":189},63889,"Antao, S. M., Hassan, I., Parise, J. B. (2003) The Structure of Danalite at High Temperature Obtained from Synchrotron Radiation and Rietveld Refinements. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  41 (6) 1413-1422 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.41.6.1413'>doi:10.2113\u002Fgscanmin.41.6.1413\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fcm\u002Fvol41\u002FCM41_1413.pdf' class='refpdflink'>\u003C\u002Fa>","10.2113\u002Fgscanmin.41.6.1413",{"id":191,"year":192,"html":193,"doi":11},15938202,2005,"Green, David I., Bell, R., Moreton, S. (2005) Drusy cavity minerals including the first Irish danalite from Lindsay’s Leap, Mourne Mountains, Co. Down. \u003Ci>UK Journal of Mines and Minerals 25\u003C\u002Fi>, 25-30",{"id":195,"year":196,"html":197,"doi":198},65424,2017,"Zito, Gary, Hanson, Sarah L. (2017) Genthelvite Overgrowths On Danalite Cores From A Pegmatite Miarolitic Cavity In Cheyenne Canyon, El Paso County, Colorado. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  55 (2) 195-206 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.1600066'>doi:10.3749\u002Fcanmin.1600066\u003C\u002Fa>","10.3749\u002Fcanmin.1600066",[200,210,217,225,232,239],{"id":201,"source_url":202,"license_code":203,"credit_html":204,"title":205,"description":206,"author":207,"original_width":208,"original_height":209},6816,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10158755","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10158755\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Danalite-199958.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDanalite\" class=\"extiw\" title=\"en:Danalite\">Danalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockport\" class=\"extiw\" title=\"en:Rockport\">Rockport\u003C\u002Fa>, Essex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMassachusetts\" class=\"extiw\" title=\"en:Massachusetts\">Massachusetts\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3825.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 14.0 x 12.4 x 7.1 cm.\u003C\u002Fdd>\n\u003Cdd>Danalite is a member of the helvite group, rarely crystallizing. This is a large specimen with a massive embedded crystal of beautiful pink-red danalite, showing some fracture faces. What is more, it is from the old TYPE LOCALITY (from which it was described in 1866). Ex. Philadelphia Academy of Sciences Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",800,516,{"id":211,"source_url":212,"license_code":203,"credit_html":213,"title":214,"description":215,"author":207,"original_width":216,"original_height":208},6817,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10159379","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10159379\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Danalite-202027.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDanalite\" class=\"extiw\" title=\"en:Danalite\">Danalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockport\" class=\"extiw\" title=\"en:Rockport\">Rockport\u003C\u002Fa>, Essex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMassachusetts\" class=\"extiw\" title=\"en:Massachusetts\">Massachusetts\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3825.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.2 x 4.8 x 3.2 cm.\u003C\u002Fdd>\n\u003Cdd>From the TYPE LOCALITY where it was first noted in 1866, this is a superb, intensely colored danalite crystal, named after the great mineralogist. The crystal is approx. 2 cm tall. Danalite turns out to be a rare member of the helvite group, seldom crystallizing and most often found as masses in rock. Here we have a superb 3-dimensional crystal perched on matrix with amazonite feldspar and cryophilite, in quartz. According to MINDAT, cryophilite has been discredited by the IMA Mica subcommittee. It is now considered an odd variety of Zinnwaldite, Fe-bearing trilithionite, or Fe-bearing polylithionite (again, according to MINDAT). Ex. Academy of Natural Sciences Philadelphia Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",601,{"id":218,"source_url":219,"license_code":203,"credit_html":220,"title":221,"description":222,"author":207,"original_width":223,"original_height":224},6818,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10159380","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10159380\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Danalite-202028.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDanalite\" class=\"extiw\" title=\"en:Danalite\">Danalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockport\" class=\"extiw\" title=\"en:Rockport\">Rockport\u003C\u002Fa>, Essex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMassachusetts\" class=\"extiw\" title=\"en:Massachusetts\">Massachusetts\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3825.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.2 x 4.8 x 3.2 cm.\u003C\u002Fdd>\n\u003Cdd>From the TYPE LOCALITY where it was first noted in 1866 during the Civil War, this is a superb, intensely colored danalite crystal, named after the great mineralogist. The crystal is approx. 2 cm tall. Danalite turns out to be a rare member of the helvite group, seldom crystallizing and most often found as masses in rock. Here we have a superb 3-dimensional crystal perched on matrix with amazonite feldspar and cryophilite, in quartz. According to MINDAT, cryophilite has been discredited by the IMA Mica subcommittee. It is now considered an odd variety of Zinnwaldite, Fe-bearing trilithionite, or Fe-bearing polylithionite (again, according to MINDAT). Ex. Academy of Natural Sciences Philadelphia Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,375,{"id":226,"source_url":227,"license_code":203,"credit_html":228,"title":229,"description":230,"author":207,"original_width":223,"original_height":231},6819,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10456209","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10456209\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Danalite-pas-131c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDanalite\" class=\"extiw\" title=\"en:Danalite\">Danalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockport\" class=\"extiw\" title=\"en:Rockport\">Rockport\u003C\u002Fa>, Essex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMassachusetts\" class=\"extiw\" title=\"en:Massachusetts\">Massachusetts\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3825.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 7.2 x 4.8 x 3.2 cm\n\u003Cdl>\u003Cdt>Danalite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>From the TYPE LOCALITY where it was first noted in 1866 during the Civil War, this is an OUTSTANDING, aesthetic, intensely colored danalite crystal, named after the great mineralogist. The crystal is approx. 2 cm tall. Danalite turns out to be a rare member of the helvite group, seldom crystallizing and most often found as masses in rock. Here we have a superb 3-dimensional crystal perched on matrix with amazonite feldspar and cryophilite, in quartz. According to MINDAT, cryophilite has been discredited by the IMA Mica subcommittee (betcha didn't know the world had such an important body of governors...). It is now considered on odd variety of Zinnwaldite, Fe-bearing trilithionite, or Fe-bearing polylithionite (again, according to MINDAT). The danalite crystal is 3-D, attractively displayed, and overall we hav ehere both a significant and attractive display specimen of something so rare and historic that most of us will probably never see again.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",337,{"id":233,"source_url":234,"license_code":203,"credit_html":235,"title":236,"description":237,"author":207,"original_width":238,"original_height":223},6821,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10456673","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10456673\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Danalite-pas-91b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDanalite\" class=\"extiw\" title=\"en:Danalite\">Danalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRockport\" class=\"extiw\" title=\"en:Rockport\">Rockport\u003C\u002Fa>, Essex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMassachusetts\" class=\"extiw\" title=\"en:Massachusetts\">Massachusetts\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3825.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: cabinet, 14.0 x 12.4 x 7.1 cm\n\u003Cdl>\u003Cdt>Danalite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Danalite is a member of the helvite group, rarely crystallizing. This is a large specimen with a massive embedded crystal of beautiful pink-red danalite, showing some fracture faces. What is more, it is from the old TYPE LOCALITY (from which it was described in 1866). A VERY rare and important old US specimen\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",286,{"id":240,"source_url":241,"license_code":242,"credit_html":243,"title":244,"description":245,"author":246,"original_width":247,"original_height":248},6823,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=151394907","Public domain","Robert Walstrom, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=151394907\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Danalite-951108.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDanalite\" class=\"extiw\" title=\"en:Danalite\">Danalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGrossular\" class=\"extiw\" title=\"en:Grossular\">Grossular\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Field of view: 16 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Vic 10 claim, Victorio group, Victorio District (Gage District), Victorio Mountains, Luna County, New Mexico, USA\u003C\u002Fdd>\n\u003Cdd>Description: This single yellow-brown danalite crystal has been XRD confirmed. This locality is located in the skarn area of the Middle Hills of the Victorio Mountains. it is approximately 400 feet Northwest of the Irish Rose Mine. This is a reclaimed site with all shafts back-filled on the property. Specimen collected 8\u002F6\u002F19 by Robert E. Walstrom from the shaft highest on the hill to the East. Photo: Robert E. Walstrom using a Dino-Lite AD4013TL plug-in camera.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert Walstrom",1258,966,[250,256],{"id":251,"url":252,"label":253,"formula":254,"spacegroup":255,"year":183},3490,"\u002Fcif\u002F3490.cif","Antao 2003","Be3 Si3 O12 Fe4 S","P -4 3 n",{"id":257,"url":258,"label":259,"formula":260,"spacegroup":255,"year":157},3512,"\u002Fcif\u002F3512.cif","Hassan 1985","Fe4 O12 Be3 Si3 S",[262],"Danaliet",[264,268,272,276,279,283,286,290,293,297,300,304,308,312,316],{"lang":265,"names":266},"ca",[267],"danalita",{"lang":269,"names":270},"da",[271],"Danalit",{"lang":273,"names":274},"de",[275],"Danalith",{"lang":277,"names":278},"es",[267],{"lang":280,"names":281},"eu",[282],"Danalita",{"lang":284,"names":285},"fr",[7],{"lang":287,"names":288},"he",[289],"דיינאליט",{"lang":291,"names":292},"it",[7],{"lang":294,"names":295},"ja",[296],"デーナ石",{"lang":298,"names":299},"pl",[271],{"lang":301,"names":302},"ru",[303],"Даналит",{"lang":305,"names":306},"ta",[307],"தனலைட்டு",{"lang":309,"names":310},"th",[311],"ดานาไลต์",{"lang":313,"names":314},"uk",[315],"Даналіт",{"lang":317,"names":318},"zh",[319],"铍榴石","Q2573999",{"history":11,"applications":11}]