[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:46670":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":21,"impurities":11,"cim":11,"ima_status":22,"ima_notes":11,"ima_history":11,"approval_year":24,"publication_year":24,"discovery_year":11,"strunz10ed1":25,"strunz10ed2":26,"strunz10ed3":27,"strunz10ed4":28,"dana8ed1":11,"dana8ed2":11,"dana8ed3":11,"dana8ed4":11,"csystem":29,"cclass":30,"spacegroup":31,"spacegroupset":32,"a":33,"b":34,"c":35,"alpha":11,"beta":11,"gamma":11,"aerror":36,"berror":37,"cerror":38,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":39,"z":40,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":41,"tlform":42,"hmin":43,"hmax":44,"hardtype":11,"vhnmin":45,"vhnmax":46,"vhnerror":11,"vhng":47,"vhns":11,"commenthard":11,"dmeas":11,"dmeas2":11,"dcalc":48,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":49,"commentluster":11,"diapheny":50,"streak":51,"colour":51,"commentcolor":11,"colors":52,"streak_colors":55,"luminescence":11,"uv":11,"cleavage":56,"cleavagetype":57,"fracturetype":58,"tenacity":59,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":11,"opticalalpha2":11,"opticalalphaerror":11,"opticalbeta":11,"opticalbeta2":11,"opticalbetaerror":11,"opticalgamma":11,"opticalgamma2":11,"opticalgammaerror":11,"opticalomega":11,"opticalomega2":11,"opticalomegaerror":11,"opticalepsilon":11,"opticalepsilon2":11,"opticalepsilonerror":11,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":11,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":11,"optical2vmeasured2":11,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":60,"opticalpleochorismdesc":61,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":62,"opticaltropic":63,"opticalanisotropism":64,"opticalbireflectance":65,"opticalextinction":11,"opticalr":66,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":67,"otheroccurrence":11,"type_specimen_store":68,"description_short":69,"aboutname":70,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":71,"reviewed_at":11,"variety_of":11,"varieties":72,"group_members":73,"associates":93,"confused_with":94,"type_localities":101,"occurrence_total":43,"citations":108,"images":133,"structures":134,"synonyms":135,"language_names":138,"wikidata_qid":152,"texts":153},46670,"1:1:46670:7","95de7145-d38e-40da-8b94-b5af4b6762f8","Grundmannite","Gdm",0,"mineral",null,46873,115,false,"CuBiSe\u003Csub>2\u003C\u002Fsub>",[17,18,19],"Bi","Cu","Se",[17,18,19],[17,18,19],[23],"APPROVED",2015,"2","H","A","05","Orthorhombic",8,71,"Pnma ","6.6362","4.2581","15.3691",5,3,9,434.29,4,"Usually intergrown with watkinsonite and clausthalite.","Anhedral to subhedral crystals is usually in the range 50–150 μm, but may approach 250 μm.",2,2.5,"45","61",20,"6.582","Metallic","Opaque","Black",[53,54],"black","gray",[53],"{001}","Perfect","Irregular\u002FUneven","brittle","Weak","From cream to light grey","None","Anisotropic","Light-brown to brown rotation tints","weak","(40.7,42.3) 400,\r\n(40.7,42.6) 420,\r\n(40.8,42.8) 440,\r\n(40.9,43.1) 460,\r\n(41.0,43.4) 470,\r\n(41.0,43.6) 480,\r\n(41.2,44.1) 500,\r\n(41.5,44.6) 520,\r\n(41.8,45.0) 540,\r\n(41.8,45.1) 546,\r\n(41.9,45.3) 560,\r\n(42.0,45.5) 580,\r\n(42.1,45.7) 589,\r\n(42.2,45.8) 600,\r\n(42.3,46.0) 620,\r\n(42.5,46.1) 640,\r\n(42.5,46.2) 650,\r\n(42.5,46.3) 660,\r\n(42.5,46.5) 680,\r\n(42.5,46.6) 700","Primary mineral, deposited from an oxidizing low-temperature hydrothermal fluid at the waning stage of selenide-mineral formation (fSe\u003Csub>2\u003C\u002Fsub>\u002FfS\u003Csub>2\u003C\u002Fsub> ratio > 1; as (1) shrinkage cracks or interstices filling and (2) independent grains within the matrix.","Type material is deposited in the mineralogical collections of the Natural History Museum, London, catalogue number BM 2015, 33.","The Se analogue of emplectite.\r\n\r\nThe two independent selenium positions are in well accordance to two sulfur sites of the isotypic emplectite. Bismuth forms BiSe3 trigonal pyramids, while Cu is present as nearly regular CuSe4 tetrahedra.","Named in honor of Dr Günter Grundmann (b. 1947, Berlin, Germany), Technical University of Munich, Germany, in recognition of his pioneering work on the El Dragón mine.","2025-08-11 12:15:13",[],[74,81,88],{"id":75,"name":76,"entrytype":9,"csystem":29,"ima_formula":77,"mindat_formula":77,"hmin":37,"hmax":40,"dmeas":78,"dcalc":79,"primary_image_id":80},983,"Chalcostibite","CuSbS\u003Csub>2\u003C\u002Fsub>","4.9","5.011",29428,{"id":82,"name":83,"entrytype":9,"csystem":29,"ima_formula":84,"mindat_formula":84,"hmin":43,"hmax":43,"dmeas":85,"dcalc":86,"primary_image_id":87},1378,"Emplectite","CuBiS\u003Csub>2\u003C\u002Fsub>","6.38","6.393",7809,{"id":89,"name":90,"entrytype":9,"csystem":29,"ima_formula":91,"mindat_formula":91,"hmin":37,"hmax":40,"dmeas":11,"dcalc":92,"primary_image_id":11},47784,"Příbramite","CuSbSe\u003Csub>2\u003C\u002Fsub>","5.884",[],[95,96],{"id":82,"name":83,"entrytype":9,"csystem":29,"ima_formula":84,"mindat_formula":84,"hmin":43,"hmax":43,"dmeas":85,"dcalc":86,"primary_image_id":87},{"id":97,"name":98,"entrytype":9,"csystem":99,"ima_formula":100,"mindat_formula":100,"hmin":43,"hmax":44,"dmeas":11,"dcalc":11,"primary_image_id":11},47037,"Hansblockite","Monoclinic","(Cu,Hg)(Bi,Pb)Se\u003Csub>2\u003C\u002Fsub>",[102],{"id":103,"txt":104,"latitude":105,"longitude":106,"country":107},353,"El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia",-19.8208333,-65.9166667,"Bolivia",[109,113,117,121,125,129],{"id":110,"year":111,"html":112,"doi":11},16140390,1990,"Abdelghany, A., Abdelmohsen, N., Abou El Ela, A.H., Abdelwahab, D.M. (1990) Dielectric relaxation study of CuBiSe2 in the solid and liquid phases. Indian Journal of Pure and Applied Physics: 28: 329-333.",{"id":114,"year":115,"html":116,"doi":11},16059747,1997,"Postl, W. & Paar, W.H. (1997): 1089: Selenide (Petrovicit, Watkinsonit, Clausthalit, Berzelianit, Klockmannit, Umangit) und ged. Gold bzw. Chalkosin, Bornit und Covellin von einem Forstweg südlich Altenberg a.d. Rax, Steiermark. In: Niedermayr, G. et al. (1997): Neue Mineralfunde aus Österreich XLVI. Carinthia II, 187\u002F107, 201. [as unnamed Se analogue of emplectite]",{"id":118,"year":24,"html":119,"doi":120},244676,"Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2015) New minerals and nomenclature modifications approved in 2015, CNMNC Newsletter 26. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  79 (4) 941-947 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2015.079.4.05'>doi:10.1180\u002Fminmag.2015.079.4.05\u003C\u002Fa>","10.1180\u002Fminmag.2015.079.4.05",{"id":122,"year":123,"html":124,"doi":11},16140394,2016,"link.springer.com (n.d.) \u003Ca target='_blank' rel='nofollow' href='http:\u002F\u002Flink.springer.com\u002Fchapter\u002F10.1007%2F10717201_185'>http:\u002F\u002Flink.springer.com\u002Fchapter\u002F10.1007%2F10717201_185\u003C\u002Fa>",{"id":126,"year":123,"html":127,"doi":128},129480,"Förster, Hans-Jürgen, Bindi, Luca, Stanley, Chris J. (2016) Grundmannite, CuBiSe\u003Csub>2\u003C\u002Fsub>, the Se-analogue of emplectite, a new mineral from the El Dragón mine, Potosí, Bolivia. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  28 (2) 467-477 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F2016\u002F0028-2513'>doi:10.1127\u002Fejm\u002F2016\u002F0028-2513\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FEJM28_467.pdf' class='refpdflink'>\u003C\u002Fa>","10.1127\u002Fejm\u002F2016\u002F0028-2513",{"id":130,"year":131,"html":132,"doi":11},16964680,2020,"(2020) Grundmannite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fgrundmannite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[],[136,137],"Grundmanniet","IMA2015-038",[139,143,148],{"lang":140,"names":141},"ca",[142],"grundmannita",{"lang":144,"names":145},"de",[146,147],"Grundmannit","IMA 2015-038",{"lang":149,"names":150},"eu",[151],"Grundmannita","Q21684066",{"history":11,"applications":11}]