[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2263":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":22,"key_elements":23,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":28,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":32,"dana8ed2":33,"dana8ed3":34,"dana8ed4":35,"csystem":36,"cclass":37,"spacegroup":38,"spacegroupset":39,"a":40,"b":41,"c":42,"alpha":43,"beta":44,"gamma":43,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":45,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":46,"tlform":11,"hmin":47,"hmax":48,"hardtype":11,"vhnmin":43,"vhnmax":43,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":49,"dmeas2":49,"dcalc":50,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":51,"commentluster":52,"diapheny":53,"streak":54,"colour":55,"commentcolor":56,"colors":57,"streak_colors":67,"luminescence":11,"uv":68,"cleavage":69,"cleavagetype":70,"fracturetype":71,"tenacity":72,"commentbreak":11,"opticaltype":73,"opticalsign":74,"opticalalpha":75,"opticalalpha2":43,"opticalalphaerror":11,"opticalbeta":76,"opticalbeta2":43,"opticalbetaerror":11,"opticalgamma":77,"opticalgamma2":43,"opticalgammaerror":11,"opticalomega":43,"opticalomega2":43,"opticalomegaerror":11,"opticalepsilon":43,"opticalepsilon2":43,"opticalepsilonerror":11,"opticaln":43,"opticaln2":43,"opticalnerror":11,"optical2vcalc":78,"optical2vcalc2":43,"optical2vcalcerror":11,"optical2vmeasured":79,"optical2vmeasured2":43,"optical2vmeasurederror":11,"rimin":80,"rimax":81,"opticaldispersion":82,"opticalpleochroism":83,"opticalpleochorismdesc":84,"opticalbirefringence":85,"opticalcomments":86,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":87,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":88,"industrial":11,"occurrence":89,"otheroccurrence":90,"type_specimen_store":11,"description_short":91,"aboutname":92,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":93,"reviewed_at":11,"variety_of":11,"varieties":94,"group_members":99,"associates":195,"confused_with":215,"type_localities":222,"occurrence_total":229,"citations":230,"images":288,"structures":405,"synonyms":412,"language_names":416,"wikidata_qid":441,"texts":442},2263,"1:1:2263:3","2d0f7290-fe05-4f2e-90aa-2c4f139b581f","Köttigite","Köt",0,"mineral",null,29342,1848,false,"Zn\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O","Zn\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 8H\u003Csub>2\u003C\u002Fsub>O",[18,19,20,21],"As","Zn","O","H",[18,19,20,21],[18,19],"20.3.6",[26,27],"APPROVED","GRANDFATHERED","1849","8","C","E","40","3","6","5","Monoclinic",5,11,"C2\u002Fm ","10.24","13.405","4.757","0","105.21",2,"Crystals prismatic [001] and flattened {010}. Massive; crusts with a crystalline surface and fibrous structure.",2.5,3,"3.33","3.24","Resinous,Waxy,Silky","Fracture yields a silky luster.","Translucent","Reddish-white to white","Should be colorless, but frequently is carmine-red, red-orange, brown, pale grey-blue, grey-green; light rose-pink in transmitted light.","Colored by substituting elements.",[58,59,60,61,62,63,64,65,66],"red","orange","brown","gray","blue","green","pink","colorless","white",[58,66],"not fluorescent","On {010}, perfect.","Perfect","Fibrous","flexible","Biaxial","+","1.622","1.638","1.671","72","74",1.622,1.671,"r > v to r \u003C v strong","Visible","X, Y = colorless, Z = pale red","0.049","Pleochroism should not be present if the mineral is colorless","z = b, z ^ c = 37°","Soluble in acids.","Oxidized veins in a hydrothermal sulfide ore deposit","Oxidized zones of arsenical ores containing zinc.","Vivianite Group. Köttigite-Parasymplesite Series, Erythrite-Köttigite Series.\r\nThe zinc analogue of parasymplesite and erythrite.","Named by James Dwight Dana in 1850 in honour of Otto Friedrich Köttig (3 April 1824, Meissen, Kingdom of Saxony - 21 February 1892, Dresden, German Empire), chemist of Schneeberg, Saxony, who made the first chemical analysis.","2026-03-11 10:53:26",[95],{"id":96,"name":97,"entrytype":45,"csystem":11,"ima_formula":11,"mindat_formula":98,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},36072,"Cobalt-bearing Köttigite","(Zn,Co)\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O",[100,109,116,123,131,138,146,150,158,166,173,179,187],{"id":101,"name":102,"entrytype":9,"csystem":36,"ima_formula":103,"mindat_formula":104,"hmin":105,"hmax":47,"dmeas":106,"dcalc":107,"primary_image_id":108},240,"Annabergite","Ni\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 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8H\u003Csub>2\u003C\u002Fsub>O","Co\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O","3.06","3.135",8046,{"id":147,"name":148,"entrytype":9,"csystem":36,"ima_formula":11,"mindat_formula":149,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},498749,"Gritsenkoite","CoMg\u003Csub>2\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>8\u003C\u002Fsub>",{"id":151,"name":152,"entrytype":9,"csystem":36,"ima_formula":153,"mindat_formula":154,"hmin":155,"hmax":155,"dmeas":156,"dcalc":156,"primary_image_id":157},1931,"Hörnesite","Mg\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 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8H\u003Csub>2\u003C\u002Fsub>O","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O","3.01","3.043",18724,{"id":188,"name":189,"entrytype":9,"csystem":36,"ima_formula":190,"mindat_formula":191,"hmin":105,"hmax":45,"dmeas":192,"dcalc":193,"primary_image_id":194},4194,"Vivianite","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 8H\u003Csub>2\u003C\u002Fsub>O","Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O","2.67","2.696",27527,[196,206],{"id":197,"name":198,"entrytype":9,"csystem":199,"ima_formula":200,"mindat_formula":200,"hmin":201,"hmax":202,"dmeas":203,"dcalc":204,"primary_image_id":205},3682,"Skutterudite","Isometric","CoAs\u003Csub>3\u003C\u002Fsub>",5.5,6,"6.5","6.821",22475,{"id":207,"name":208,"entrytype":9,"csystem":199,"ima_formula":209,"mindat_formula":209,"hmin":210,"hmax":211,"dmeas":212,"dcalc":213,"primary_image_id":214},3727,"Sphalerite","ZnS",3.5,4,"3.9","4.096",66200,[216],{"id":217,"name":218,"entrytype":9,"csystem":219,"ima_formula":220,"mindat_formula":221,"hmin":11,"hmax":11,"dmeas":43,"dcalc":11,"primary_image_id":11},2678,"Metaköttigite","Triclinic","(Zn,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 8(H\u003Csub>2\u003C\u002Fsub>O,OH)","(Zn,Fe,Fe)\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8(H\u003Csub>2\u003C\u002Fsub>O,OH)",[223],{"id":224,"txt":225,"latitude":226,"longitude":227,"country":228},1897,"Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg, Erzgebirgskreis, Saxony, Germany",50.5788889,12.6161111,"Germany",66,[231,235,239,243,247,251,255,260,264,269,273,278,283],{"id":232,"year":233,"html":234,"doi":11},16114201,1849,"Köttig (1849) Zinkarseniat (wasserhaltiges) von der Kobaltgrube Daniel bei Schneeberg. Journal für praktische Chemie, Leipzig: 48: 183-186 (as Zinkarseniat).",{"id":236,"year":237,"html":238,"doi":11},1118649,1850,"Dana, James D. (1850) \u003Ci>A System of Mineralogy\u003C\u002Fi> (3rd ed.) G. P. Putnam. p.711",{"id":240,"year":241,"html":242,"doi":11},16099364,1903,"de Schulten, A. (1903) Reproduction artificielle de la kœttigite et de l'adamine. Bulletin de la Société française de Minéralogie: 26: 91-94.",{"id":244,"year":245,"html":246,"doi":11},521083,1940,"Wolfe, C. W. (1940) Classification of minerals of the type A3(XO4)2·nH2O (concluded) \u003Ci>American Mineralogist\u003C\u002Fi>,  25 (12) 787-809 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM25\u002FAM25_787.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":248,"year":249,"html":250,"doi":11},1118652,1951,"Palache, Charles; Berman, Harry; Frondel, Clifford (1951) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.",{"id":252,"year":253,"html":254,"doi":11},15950366,1976,"Sturman, B.D. (1976) New data for köttigite and parasymplesite. The Canadian Mineralogist, 14(4), 437-441. https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM14_437.pdf",{"id":256,"year":257,"html":258,"doi":259},402574,1977,"Cesbron, Fabien; Sichère, Marie-Claude; Vachey, Hélène (1977) Propriétés cristallographiques et comportement thermique des termes de la série koettigite-parasymplésite. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  100 (6). 310-314 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1977.7154'>doi:10.3406\u002Fbulmi.1977.7154\u003C\u002Fa>","10.3406\u002Fbulmi.1977.7154",{"id":261,"year":262,"html":263,"doi":11},527216,1979,"Hill, Roderick J. (1979) The crystal structure of köttigite. \u003Ci>American Mineralogist\u003C\u002Fi>,  64 (3-4) 376-382 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM64\u002FAM64_376.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":265,"year":266,"html":267,"doi":268},81730,1986,"Kusachi, Isao, Henmi, Chiyoko, Kishi, Shigetomo (1986) Legrandite and koettigite from the Ogibira mine, Okayama, Japan. \u003Ci>Mineralogical Journal\u003C\u002Fi>,  13 (3) 141-150 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fminerj.13.141'>doi:10.2465\u002Fminerj.13.141\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fminerj\u002F13\u002F3\u002F13_3_141\u002F_pdf' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fminerj.13.141",{"id":270,"year":271,"html":272,"doi":11},16965379,2005,"(2005) Köttigite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fkottigite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":274,"year":275,"html":276,"doi":277},90667,2016,"Yoshiasa, Akira, Miyano, Yumiko, Isobe, Hiroshi, Sugiyama, Kazumasa, Arima, Hiroshi, Nakatsuka, Akihiko, Momma, Koichi, Miyawaki, Ritsuro (2016) Structural refinement of köttigite–parasymplesite solid solution: Unique cation site occupancy and chemical bonding with water molecules. \u003Ci>Journal of Mineralogical and Petrological Sciences\u003C\u002Fi>,  111 (5) 363-369 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fjmps.151207'>doi:10.2465\u002Fjmps.151207\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fjmps\u002F111\u002F5\u002F111_151207\u002F_pdf' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fjmps.151207",{"id":279,"year":280,"html":281,"doi":282},13423273,2020,"Ciesielczuk, Justyna; Dulski, Mateusz; Janeczek, Janusz; Krzykawski, Tomasz; Kusz, Joachim; Szełęg, Eligiusz (2020) Crystal Chemistry of an Erythrite-Köttigite Solid Solution (Co3–xZnx)(AsO4)2·8H2O. \u003Ci>Minerals\u003C\u002Fi>,  10 (6). 548 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin10060548'>doi:10.3390\u002Fmin10060548\u003C\u002Fa>","10.3390\u002Fmin10060548",{"id":284,"year":285,"html":286,"doi":287},17080809,2024,"Majzlan, Juraj, Reichstein, Anna, Haase, Patrick, Števko, Martin, Sejkora, Jiří, Dachs, Edgar (2024) Thermodynamics of vivianite-group arsenates \u003Ci>M\u003C\u002Fi>\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> ⋅  8H\u003Csub>2\u003C\u002Fsub>O (\u003Ci>M\u003C\u002Fi> is Ni, Co, Mg, Zn, Cu) and chemical variability in the natural arsenates of this group. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  36 (1).  \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.5194\u002Fejm-36-31-2024'>doi:10.5194\u002Fejm-36-31-2024\u003C\u002Fa>","10.5194\u002Fejm-36-31-2024",[289,299,307,314,322,331,338,346,352,360,366,374,382,390,397],{"id":290,"source_url":291,"license_code":292,"credit_html":293,"title":294,"description":295,"author":296,"original_width":297,"original_height":298},13597,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146111","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146111\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-152444.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ojuela Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD\" class=\"extiw\" title=\"en:Mapimí\">Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD_(municipality)\" class=\"extiw\" title=\"en:Mapimí (municipality)\">Municipio de Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDurango\" class=\"extiw\" title=\"en:Durango\">Durango\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2318.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.7 x 2.5 x 2.3 cm.\u003C\u002Fdd>\n\u003Cdd>These beautiful sprays of kottigite crystals are from the famous Ojuela Mine. Like scorodite, legrandite, paradamite, and the like, this species is highly sought after by collectors. Ex. Brian Kosnar.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",734,432,{"id":300,"source_url":301,"license_code":292,"credit_html":302,"title":303,"description":304,"author":296,"original_width":305,"original_height":306},13598,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167047","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10167047\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-249705.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ojuela Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD\" class=\"extiw\" title=\"en:Mapimí\">Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD_(municipality)\" class=\"extiw\" title=\"en:Mapimí (municipality)\">Municipio de Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDurango\" class=\"extiw\" title=\"en:Durango\">Durango\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2318.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 2.6 x 1.6 x 0.9 cm.\u003C\u002Fdd>\n\u003Cdd>A very fine spray of relatively large crystals for the species, from the locality generally regarded as having produced the best. These levels of the Ojuela are now flooded and inaccessible, and good kottigite has not been found since good legrandite was - 30 years ago, now. This was purchased at the Salt Lake show in 1969 to Beth Gordon, a collector-dealer who sold it to John White later. Ex. John White Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",800,542,{"id":308,"source_url":309,"license_code":292,"credit_html":310,"title":311,"description":312,"author":296,"original_width":305,"original_height":313},13599,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170344","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170344\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-266881.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FJ%C3%A1chymov\" class=\"extiw\" title=\"en:Jáchymov\">Jáchymov (St Joachimsthal)\u003C\u002Fa>, Jáchymov (St Joachimsthal) District, Krušné Hory Mts (Erzgebirge), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKarlovy_Vary_Region\" class=\"extiw\" title=\"en:Karlovy Vary Region\">Karlovy Vary Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBohemia\" class=\"extiw\" title=\"en:Bohemia\">Bohemia (Böhmen; Boehmen)\u003C\u002Fa>, Czech Republic (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-777.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 13 x 8 x 5 cm.\u003C\u002Fdd>\n\u003Cdd>This is a large specimen of pale pink kottigite crystals smothering a rock matrix, crystals which are rare for the locality. This long resided in the personal reference collection of Czech classics of Josef Vajdak, a rare species mineral dealer from New York, now 80 years old. Josef says this find was in the 1950s, and considered this a very good example of this rarity for the locale.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",560,{"id":315,"source_url":316,"license_code":292,"credit_html":317,"title":318,"description":319,"author":296,"original_width":320,"original_height":321},13600,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10429632","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10429632\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Köttigite-41680.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ojuela Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD\" class=\"extiw\" title=\"en:Mapimí\">Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD_(municipality)\" class=\"extiw\" title=\"en:Mapimí (municipality)\">Municipio de Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDurango\" class=\"extiw\" title=\"en:Durango\">Durango\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2318.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.5 cm x 1.2 cm x 1.2 cm\u003C\u002Fdd>\n\u003Cdd>A huge, robust wheatsheaf cluster of this rare species, found only once in this quality, some 30 years ago. Unlike most examples, it is actually blue, and not a gray color. Ex. Sam Nasser thumbnail\u002Ftoenail collection and Dave Stoudt Mexico collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",600,477,{"id":323,"source_url":324,"license_code":292,"credit_html":325,"title":326,"description":327,"author":328,"original_width":329,"original_height":330},13601,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41135290","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41135290\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Köttigite-394511.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: St Johannes Mine, Wolkenstein, Marienberg District, Erzgebirge, Saxony, Germany\u003C\u002Fdd>\n\u003Cdd>Field of view 4 mm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",905,749,{"id":332,"source_url":333,"license_code":292,"credit_html":334,"title":335,"description":336,"author":296,"original_width":337,"original_height":320},63116,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162151","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10162151\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-220806.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ojuela Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD\" class=\"extiw\" title=\"en:Mapimí\">Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD_(municipality)\" class=\"extiw\" title=\"en:Mapimí (municipality)\">Municipio de Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDurango\" class=\"extiw\" title=\"en:Durango\">Durango\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2318.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 1.7 x 0.6 x 0.2 cm.\u003C\u002Fdd>\n\u003Cdd>Kottigite is a very rare mineral from the Mina Ojuela and this a fine thumbnail specimen of platy, lustrous, grayish-blue kottigite. Kottigite is related to legrandite, of which, Mina Ojuela is renowned. This is a pristine, floater crystal, although the ends and part of one side are contacted. Highly representative of the rare species and famous locale.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",361,{"id":339,"source_url":340,"license_code":292,"credit_html":341,"title":342,"description":343,"author":296,"original_width":344,"original_height":345},13602,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41135386","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41135386\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Köttigite-379523.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ojuela Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD\" class=\"extiw\" title=\"en:Mapimí\">Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD_(municipality)\" class=\"extiw\" title=\"en:Mapimí (municipality)\">Municipio de Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDurango\" class=\"extiw\" title=\"en:Durango\">Durango\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2318.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.4 cm x 4.4 cm x 2.2 cm\u003C\u002Fdd>\n\u003Cdd>Köttigite is hydrated zinc arsenate and this very fine rarity is from Mina Ojuela, known for the best examples of the species. The egg-shaped, oval vug is totally lined with lustrous, bluish-gray, parallel-growth, crystal clusters. These crystals are extremely robust for the species, and show stereotypical crystal habit. Köttigite is hydrated zinc arsenate hydrate and parasymplesite is hydrated iron arsenate, and because they have such a similar appearance they can only be distinguished by chemical analysis in a lab. There is an interesting discussion of this series in the Min. Record, V. 7, #4, p. 186. In any case, this piece is likely the köttigite. Old material not found in over 30 years and there will not be more as these levels of the mine are flooded. Ex. Howard Belsky Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",465,339,{"id":347,"source_url":348,"license_code":292,"credit_html":349,"title":350,"description":343,"author":296,"original_width":344,"original_height":351},13603,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41135389","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41135389\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Köttigite-379524.jpg",443,{"id":353,"source_url":354,"license_code":292,"credit_html":355,"title":356,"description":357,"author":328,"original_width":358,"original_height":359},13604,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41135682","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41135682\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Köttigite-551717.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Silbereckle Mine, Reichenbach, Lahr, Black Forest, Baden-Württemberg, Germany\u003C\u002Fdd>\n\u003Cdd>Field of view 8 mm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",956,875,{"id":361,"source_url":362,"license_code":292,"credit_html":363,"title":364,"description":312,"author":296,"original_width":305,"original_height":365},63117,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170345","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170345\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-266882.jpg",698,{"id":367,"source_url":368,"license_code":292,"credit_html":369,"title":370,"description":371,"author":328,"original_width":372,"original_height":373},63118,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866649","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866649\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-111354.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ore dumps, Richelsdorf Smelter, Süss, Richelsdorf District, North Hesse, Hesse, Germany\u003C\u002Fdd>\n\u003Cdd>Green crystals of Köttigite from an uncommon locality. Field of view 4 mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",759,565,{"id":375,"source_url":376,"license_code":292,"credit_html":377,"title":378,"description":379,"author":296,"original_width":380,"original_height":381},18723,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120010","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120010\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-20581.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ojuela Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD\" class=\"extiw\" title=\"en:Mapimí\">Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD_(municipality)\" class=\"extiw\" title=\"en:Mapimí (municipality)\">Municipio de Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDurango\" class=\"extiw\" title=\"en:Durango\">Durango\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2318.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A rarity from Mapimi, a 1.5-cm spray of koettigite\u002Fparasymplesite standing up on limonite matrix. Koettigite is zinc arsenate hydrate and parasymplesite is iron arsenate hydrate, and because they have such a similar appearance they can only be distinguished by chemical analysis in a lab. There is an interesting discussion of this series in the Min. Record, V. 7, #4, p. 186. In any case, it is probably the koettigite and its a damned good one. Old material not found in over 2 decades and there will not be more as these levels of the mine are flooded. 4.0 x 2.8 x 1.1 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",360,273,{"id":383,"source_url":384,"license_code":292,"credit_html":385,"title":386,"description":387,"author":296,"original_width":388,"original_height":389},63112,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139755","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139755\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-Gypsum-Mimetite-119620.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGypsum\" class=\"extiw\" title=\"en:Gypsum\">Gypsum\u003C\u002Fa> (Var.: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSelenite\" class=\"extiw\" title=\"en:Selenite\">Gypsum\u003C\u002Fa>), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMimetite\" class=\"extiw\" title=\"en:Mimetite\">Mimetite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ojuela Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD\" class=\"extiw\" title=\"en:Mapimí\">Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD_(municipality)\" class=\"extiw\" title=\"en:Mapimí (municipality)\">Municipio de Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDurango\" class=\"extiw\" title=\"en:Durango\">Durango\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2318.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 12.5 x 10.5 x 6.0 cm.\u003C\u002Fdd>\n\u003Cdd>Kottigite is a VERY RARE mineral from the famous Mina Ojuela and this showy CABINET combo specimen has at least 10 sprays of lustrous, grayish blue kottigite associated with a centrally located, 5.5cm, water-clear selenite on botryoidal mimetite-coated gossan matrix. Kottigite is related to legrandite, of which, Mina Ojuela is renowned. From the stock of Ed Swoboda. The last major find of kottigite at Mina Ojuela was in 1974 and remains a classic that is difficult to acquire in fine specimens.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",650,515,{"id":391,"source_url":392,"license_code":292,"credit_html":393,"title":394,"description":387,"author":296,"original_width":395,"original_height":396},63113,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139756","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139756\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-Gypsum-Mimetite-119622.jpg",631,564,{"id":398,"source_url":399,"license_code":292,"credit_html":400,"title":401,"description":402,"author":296,"original_width":403,"original_height":404},63115,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10153104","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10153104\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kottigite-Legrandite-180823.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FK%C3%B6ttigite\" class=\"extiw\" title=\"en:Köttigite\">Köttigite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLegrandite\" class=\"extiw\" title=\"en:Legrandite\">Legrandite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ojuela Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD\" class=\"extiw\" title=\"en:Mapimí\">Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMapim%C3%AD_(municipality)\" class=\"extiw\" title=\"en:Mapimí (municipality)\">Municipio de Mapimí\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDurango\" class=\"extiw\" title=\"en:Durango\">Durango\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2318.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4 x 4 x 1.5 cm.\u003C\u002Fdd>\n\u003Cdd>A fantastic spray of beautiful silvery Kottigite crystals. The Kottigites have the classic silky luster that makes it so attractive, and the color is a very clean silver. The association with yellow legrandite makes for a fine contrast. Ex. Charlie Key.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",500,416,[406],{"id":407,"url":408,"label":409,"formula":410,"spacegroup":411,"year":262},7272,"\u002Fcif\u002F7272.cif","Hill 1979","Zn3 As2 O16 H16","C 1 2\u002Fm 1",[413,414,415],"Koettigite","Köttigiet","Zinkarseniat",[417,421,425,429,434,437],{"lang":418,"names":419},"ca",[420],"köttigita",{"lang":422,"names":423},"de",[424],"Köttigit",{"lang":426,"names":427},"eu",[428],"Köttigita",{"lang":430,"names":431},"fr",[432,433],"koettigite","köttigite",{"lang":435,"names":436},"it",[7],{"lang":438,"names":439},"mk",[440],"Котигит","Q3817812",{"history":11,"applications":11}]