[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:30764":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":16,"elements":17,"sigelements":24,"key_elements":25,"impurities":11,"cim":11,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":28,"publication_year":29,"discovery_year":11,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":34,"dana8ed3":34,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":34,"beta":42,"gamma":34,"aerror":43,"berror":44,"cerror":43,"alphaerror":11,"betaerror":45,"gammaerror":11,"va3":11,"z":44,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":46,"hmin":47,"hmax":47,"hardtype":11,"vhnmin":34,"vhnmax":34,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":34,"dmeas2":34,"dcalc":48,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":49,"commentluster":11,"diapheny":50,"streak":51,"colour":52,"commentcolor":11,"colors":53,"streak_colors":56,"luminescence":11,"uv":57,"cleavage":58,"cleavagetype":59,"fracturetype":60,"tenacity":61,"commentbreak":11,"opticaltype":62,"opticalsign":63,"opticalalpha":64,"opticalalpha2":34,"opticalalphaerror":44,"opticalbeta":65,"opticalbeta2":34,"opticalbetaerror":44,"opticalgamma":66,"opticalgamma2":34,"opticalgammaerror":44,"opticalomega":34,"opticalomega2":34,"opticalomegaerror":11,"opticalepsilon":34,"opticalepsilon2":34,"opticalepsilonerror":11,"opticaln":34,"opticaln2":34,"opticalnerror":11,"optical2vcalc":67,"optical2vcalc2":34,"optical2vcalcerror":11,"optical2vmeasured":68,"optical2vmeasured2":69,"optical2vmeasurederror":11,"rimin":70,"rimax":71,"opticaldispersion":11,"opticalpleochroism":72,"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":73,"otheroccurrence":11,"type_specimen_store":74,"description_short":75,"aboutname":76,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":77,"reviewed_at":11,"variety_of":11,"varieties":78,"group_members":79,"associates":133,"confused_with":134,"type_localities":135,"occurrence_total":44,"citations":142,"images":150,"structures":213,"synonyms":214,"language_names":217,"wikidata_qid":235,"texts":236},30764,"1:1:30764:4","f16bd049-4b71-4dc4-bf54-49fcfe4eca04","Guimarãesite","Grã",0,"mineral",null,39378,284,false,"Ca\u003Csub>2\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>Zn\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>Zn\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 6H\u003Csub>2\u003C\u002Fsub>O",[18,19,20,21,22,23],"Be","Ca","Zn","O","P","H",[18,19,20,21,22,23],[18,20],[27],"APPROVED",2006,2007,"8","D","A","10","0","Monoclinic",5,10,"C2\u002Fc ","15.98","11.84","6.63","95.15",1,2,15," peripheral zones (up to 0.1 mm thick) in crystals of roscherite-group minerals.",4.5,"2.963","Vitreous","Transparent","White"," brown",[54,55],"brown","white",[55],"none","perfect cleavage on {100} and good cleavage on {010} (by analogy)","Perfect","Irregular\u002FUneven","brittle","Biaxial","-","1.596","1.600","1.602","70","55","75",1.596,1.602,"Non-pleochroic"," late fracture-filling mineral in a phosphate-rich granite pegmatite ","under the number DR591 in the Museu de Geociã ncias,\r\nInstituto de Geociã ncias, Universidade de São Paulo, Rua do Lago, 562, 05508080, São Paulo, SP, Brazil.\r\n","Roscherite Group.","Named in honor of Djalma Guimarães (5 November 1894, Santa Luzia, Minas Gerais, Brazil - 10 October 1973, Belo Horizonte, Minas Gerais, Brazil), mineralogist and geochemist, in recognition of his important contributions to Brazilian mineralogy and geology. He taught at Ouro the Preto Mining School and at the Federal University of Minas Gerais.","2025-08-11 12:14:56",[],[80,89,96,104,111,118,126],{"id":81,"name":82,"entrytype":9,"csystem":83,"ima_formula":84,"mindat_formula":85,"hmin":47,"hmax":47,"dmeas":86,"dcalc":87,"primary_image_id":88},27433,"Atencioite","Triclinic","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Mg\u003Csub>2\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 6H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Mg\u003Csub>2\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","2.86","2.829",2259,{"id":90,"name":91,"entrytype":9,"csystem":83,"ima_formula":92,"mindat_formula":93,"hmin":47,"hmax":36,"dmeas":34,"dcalc":94,"primary_image_id":95},30765,"Footemineite","Ca\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>5\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 6H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","2.873",9283,{"id":97,"name":98,"entrytype":9,"csystem":35,"ima_formula":99,"mindat_formula":100,"hmin":47,"hmax":47,"dmeas":101,"dcalc":102,"primary_image_id":103},11356,"Greifensteinite","Ca\u003Csub>2\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 6H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>5\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","2.93","2.95",10443,{"id":105,"name":106,"entrytype":9,"csystem":35,"ima_formula":107,"mindat_formula":108,"hmin":11,"hmax":11,"dmeas":109,"dcalc":110,"primary_image_id":11},46010,"Okruschite","Ca\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>5\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 6H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>5\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","3.33","3.340",{"id":112,"name":113,"entrytype":9,"csystem":35,"ima_formula":92,"mindat_formula":114,"hmin":47,"hmax":47,"dmeas":115,"dcalc":116,"primary_image_id":117},3448,"Roscherite","Ca\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>5\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","2.90","2.77",21123,{"id":119,"name":120,"entrytype":9,"csystem":35,"ima_formula":121,"mindat_formula":122,"hmin":47,"hmax":47,"dmeas":123,"dcalc":124,"primary_image_id":125},29066,"Ruifrancoite","Ca\u003Csub>2\u003C\u002Fsub>(◻,Mn)\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>,Mn,Mg)\u003Csub>4\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>6\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>(◻,Mn)\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>,Mn,Mg)\u003Csub>4\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>(OH,H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>2\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O","2.88","2.859",21284,{"id":127,"name":128,"entrytype":9,"csystem":35,"ima_formula":129,"mindat_formula":130,"hmin":36,"hmax":36,"dmeas":131,"dcalc":116,"primary_image_id":132},4385,"Zanazziite","Ca\u003Csub>2\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>Mg\u003Csub>5\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 6H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Mg\u003Csub>5\u003C\u002Fsub>Be\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","2.76",28653,[],[],[136],{"id":137,"txt":138,"latitude":139,"longitude":140,"country":141},127216,"Guimarãesite occurrence, Piauí valley, Taquaral, Itinga, Minas Gerais, Brazil",-16.7222496,-41.8929938,"Brazil",[143,146],{"id":144,"year":29,"html":145,"doi":11},12991614,"Chukanov, Nikita V., Atencio, Daniel, Zadov, Alexander E., Filho, Luis A.D. Menezes, Coutinho, Jose M.V. (2007) Guimarãesite, a New Zn-dominant Monoclinic Roscherite-group Mineral from Itinga, Minas Gerais, Brazil. \u003Ci>New Data on Minerals\u003C\u002Fi>, 42. 11-15 \u003Ca target='_blank' href='https:\u002F\u002Fwww.fmm.ru\u002Fimages\u002Fa\u002Fa2\u002FNDM_2007_42_Chukanov_eng.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":147,"year":148,"html":149,"doi":11},16964694,2022,"(2022) Guimarãesite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fhandbookofmineralogy.org\u002Fpdfs\u002FGuimara%CC%83esite.pdf' class='refpdflink'>\u003C\u002Fa>",[151,161,168,177,185,193,199,207],{"id":152,"source_url":153,"license_code":154,"credit_html":155,"title":156,"description":157,"author":158,"original_width":159,"original_height":160},10591,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177075","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177075\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lepidolite-Guimaraesite-236578.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLepidolite\" class=\"extiw\" title=\"en:Lepidolite\">Lepidolite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGuimar%C3%A3esite\" class=\"extiw\" title=\"en:Guimarãesite\">Guimarãesite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Guimarãesite occurrence, Piauí valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaquaral\" class=\"extiw\" title=\"en:Taquaral\">Taquaral\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FItinga\" class=\"extiw\" title=\"en:Itinga\">Itinga\u003C\u002Fa>, Jequitinhonha valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-127216.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 22.3 x 18.5 x 11.0 cm.\u003C\u002Fdd>\n\u003Cdd>This plate is draped by thick, brilliant yellow lepidolite clusters. The lepidolite is wonderful for this find and the plate is a huge example. As a bonus, on the bottom side, you have a rare mineral species first described from this locality. Guimaraesite is a newly (2006) described complex calcium\u002Fzinc\u002Fmagnesium\u002Firon beryllium phosphate, which comes from an unnamed pegmatite working in this valley. Guimaraesite in sub-mm spherical crystal clusters abounds on this specimen. The whole piece weighs 7.5 pounds. This is pristine and even complete around the 3-dimensional edges, overhanging a bit of quartz matrix embedded underneath. Most of the larger clusters are translucent, and richly yellow.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",600,479,{"id":162,"source_url":163,"license_code":154,"credit_html":164,"title":165,"description":157,"author":158,"original_width":166,"original_height":167},10592,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177077","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177077\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lepidolite-Guimaraesite-236579.jpg",362,400,{"id":169,"source_url":170,"license_code":154,"credit_html":171,"title":172,"description":173,"author":174,"original_width":175,"original_height":176},10593,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865937","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14865937\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Guimaraesite-86209.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGuimar%C3%A3esite\" class=\"extiw\" title=\"en:Guimarãesite\">Guimarãesite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Guimarãesite occurrence, Piauí valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaquaral\" class=\"extiw\" title=\"en:Taquaral\">Taquaral\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FItinga\" class=\"extiw\" title=\"en:Itinga\">Itinga\u003C\u002Fa>, Jequitinhonha valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-127216.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Green rounded aggregates. Field of view: 8 mm. Depth of field is achieved with CombineZM. Collection and photo: Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",692,519,{"id":178,"source_url":179,"license_code":154,"credit_html":180,"title":181,"description":182,"author":174,"original_width":183,"original_height":184},10594,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866564","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866564\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Guimaraesite-109499.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGuimar%C3%A3esite\" class=\"extiw\" title=\"en:Guimarãesite\">Guimarãesite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Guimarãesite occurrence, Piauí valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaquaral\" class=\"extiw\" title=\"en:Taquaral\">Taquaral\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FItinga\" class=\"extiw\" title=\"en:Itinga\">Itinga\u003C\u002Fa>, Jequitinhonha valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-127216.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Green balls of Guimaraesite. Field of view 4 mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",784,590,{"id":186,"source_url":187,"license_code":154,"credit_html":188,"title":189,"description":190,"author":158,"original_width":191,"original_height":192},10587,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176803","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176803\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Guimaraesite-Quartz-215452.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGuimar%C3%A3esite\" class=\"extiw\" title=\"en:Guimarãesite\">Guimarãesite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Guimarãesite occurrence, Piauí valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaquaral\" class=\"extiw\" title=\"en:Taquaral\">Taquaral\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FItinga\" class=\"extiw\" title=\"en:Itinga\">Itinga\u003C\u002Fa>, Jequitinhonha valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-127216.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 12.7 x 12.5 x 6.6 cm.\u003C\u002Fdd>\n\u003Cdd>Guimaraesite is a newly described complex calcium\u002Fzinc\u002Fmagnesium\u002Firon beryllium phosphate, which comes from an unnamed pegmatite working in this valley. This specimen is a complete floater quartz cluster the size of a large grapefruit, with exception only of one small bit on one side which is contacted. It is smothered on one side by Guimaraesite in sub-mm spherical crystal clusters. This is the first rich specimen I have seen. Described in 2006.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",792,800,{"id":194,"source_url":195,"license_code":154,"credit_html":196,"title":197,"description":190,"author":158,"original_width":167,"original_height":198},10588,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176804","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176804\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Guimaraesite-Quartz-215453.jpg",361,{"id":200,"source_url":201,"license_code":154,"credit_html":202,"title":203,"description":204,"author":158,"original_width":205,"original_height":206},10589,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176810","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176810\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lepidolite-Guimaraesite-Quartz-215471.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLepidolite\" class=\"extiw\" title=\"en:Lepidolite\">Lepidolite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGuimar%C3%A3esite\" class=\"extiw\" title=\"en:Guimarãesite\">Guimarãesite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Guimarãesite occurrence, Piauí valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTaquaral\" class=\"extiw\" title=\"en:Taquaral\">Taquaral\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FItinga\" class=\"extiw\" title=\"en:Itinga\">Itinga\u003C\u002Fa>, Jequitinhonha valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-127216.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 12.8 x 8.2 x 7.9 cm.\u003C\u002Fdd>\n\u003Cdd>This specimen has two faces, one pretty and one rare. It is a solid chunk of shard quartz, completely re-healed all around and thus a floater, that is draped by thick, brilliant yellow lepidolite clusters all over the topside. The lepidolite is wonderful for this find. As a bonus, on the bottom side, you have a rare mineral species first described from this locality in 2006. Guimaraesite is a newly described complex calcium\u002Fzinc\u002Fmagnesium\u002Firon beryllium phosphate, which comes from an unnamed pegmatite working in this valley. This specimen is a complete floater quartz cluster the size of a large grapefruit, with exception only of one small bit on one side which is contacted. The bottom has rich coating of Guimaraesite in sub-mm spherical crystal clusters.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",700,591,{"id":208,"source_url":209,"license_code":154,"credit_html":210,"title":211,"description":204,"author":158,"original_width":167,"original_height":212},10590,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176811","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176811\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lepidolite-Guimaraesite-Quartz-215472.jpg",353,[],[215,216],"Guimarãesiet","IMA2006-028",[218,222,227,231],{"lang":219,"names":220},"ca",[221],"guimarãesita",{"lang":223,"names":224},"de",[225,226],"Guimarãesit","IMA 2006-028",{"lang":228,"names":229},"eu",[230],"Guimarãesita",{"lang":232,"names":233},"it",[234],"guimarãesite","Q19841403",{"history":11,"applications":11}]