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Chile",-22.2894444,-68.9011111,"Chile",7,[259,262,266,271,275,279,283,288,293,298,303,308,312,316,320],{"id":260,"year":29,"html":261,"doi":11},15933006,"Palache, C., Warren, C.H. (1908) Kröhnkite, natrochalcite (a new mineral), and other sulphates from Chile. \u003Ci>American Journal Of Science\u003C\u002Fi>,  S. 4 Vol. 26. 342-348 \u003Ca target='_blank' href='https:\u002F\u002Fwww.ajsonline.org\u002Fcontent\u002Fajs\u002Fs4-26\u002F154\u002F342.full-text.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":263,"year":29,"html":264,"doi":265},103049,"Palache, Ch.; Warren, C. H. (1908) Kröhnkit, Natrochalcit (ein neues Mineral) und andere Sulfate aus Chile. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  45 (1-6). 529-538 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1908.45.1.529'>doi:10.1524\u002Fzkri.1908.45.1.529\u003C\u002Fa>","10.1524\u002Fzkri.1908.45.1.529",{"id":267,"year":268,"html":269,"doi":270},1153492,1939,"Palache, C. (1939) Kroehnkite and natrochalcite from Chile. \u003Ci>American Journal of Science\u003C\u002Fi>,  237 (7) 447-455 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2475\u002Fajs.237.7.447'>doi:10.2475\u002Fajs.237.7.447\u003C\u002Fa>","10.2475\u002Fajs.237.7.447",{"id":272,"year":273,"html":274,"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":276,"year":277,"html":278,"doi":11},16118213,1958,"Rumanova, I.M., Volodina, G.F. (1958) The crystal structure of natrochalcite, NaCu2OH(SO4)2•H2O = Na(SO4)2(Cu2OH•H2O). Doklady Akademii Nauk SSSR: 123: 78–81. (in Russian)",{"id":280,"year":281,"html":282,"doi":11},16118214,1969,"Dell'Anna L., Quagliarella F. (1969) Su alcuni solfati cupriferi di Capo Calamita (Isola d'Elba). Periodico di Mineralogia: 38: 349-365 (355).",{"id":284,"year":285,"html":286,"doi":287},111351,1987,"Giester, G., Zemann, J. (1987) The crystal structure of the natrochalcite-type compounds Me\u003Csup>+\u003C\u002Fsup>Cu\u003Csub>2\u003C\u002Fsub>(OH)(zO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·H\u003Csub>2\u003C\u002Fsub>O [Me\u003Csup>+\u003C\u002Fsup> = Na, K, Rb; z = S, Se], with special reference to the hydrogen bonds. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  179 (1-4). 431-442 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1987.179.1-4.431'>doi:10.1524\u002Fzkri.1987.179.1-4.431\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol179\u002FZK179_431.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1987.179.1-4.431",{"id":289,"year":290,"html":291,"doi":292},111781,1989,"Giester, G. (1989) The crystal structures of Ag\u003Csup>+\u003C\u002Fsup>Cu\u003Csub>2\u003C\u002Fsub>(OH)(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·H\u003Csub>2\u003C\u002Fsub>O and Me\u003Csup>+\u003C\u002Fsup>Cu\u003Csub>2\u003C\u002Fsub>(OH)(SeO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·H\u003Csub>2\u003C\u002Fsub>O [Me\u003Csup>+\u003C\u002Fsup> = Ag, Tl, NH\u003Csub>4\u003C\u002Fsub>], four new representatives of the natrochalcite type, with a note on natural natrochalcite. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  187 (3-4). 239-247 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1989.187.3-4.239'>doi:10.1524\u002Fzkri.1989.187.3-4.239\u003C\u002Fa>","10.1524\u002Fzkri.1989.187.3-4.239",{"id":294,"year":295,"html":296,"doi":297},113747,1993,"Chevrier, G., Giester, G., Zemann, J. (1993) Neutron refinements of NaCu2(H3O2)(SO4)2 and RbCu2(H3O2)(SeO4)2: Variation of the hydrogen bond system in the natrochalcite-type series. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  206 (1). 7-14 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1993.206.part-1.7'>doi:10.1524\u002Fzkri.1993.206.part-1.7\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol206\u002FZK206_7.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1993.206.part-1.7",{"id":299,"year":300,"html":301,"doi":302},16268,1997,"Beran, A., Giester, G., Libowitzky, E. (1997) The hydrogen bond system in natrochalcite-type compounds - an FTIR spectroscopic study of the H3O2 unit. \u003Ci>Mineralogy and Petrology\u003C\u002Fi>,  61 (1). 223-235 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf01172486'>doi:10.1007\u002Fbf01172486\u003C\u002Fa>","10.1007\u002Fbf01172486",{"id":304,"year":305,"html":306,"doi":307},2423193,2004,"Frost, Ray L., Kloprogge, J. Theo, Martens, Wayde N. (2004) Raman spectroscopy of the arsenates and sulphates of the tsumcorite mineral group. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>, 35 (1). 28-35 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.1076'>doi:10.1002\u002Fjrs.1076\u003C\u002Fa>","10.1002\u002Fjrs.1076",{"id":309,"year":305,"html":310,"doi":311},149523,"Frost, Ray L., Weier, Matt (2004) Raman and infrared spectroscopy of tsumcorite mineral group. \u003Ci>Neues Jahrbuch für Mineralogie - Monatshefte\u003C\u002Fi>,  2004 (7) 317-336 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0028-3649\u002F2004\u002F2004-0317'>doi:10.1127\u002F0028-3649\u002F2004\u002F2004-0317\u003C\u002Fa>","10.1127\u002F0028-3649\u002F2004\u002F2004-0317",{"id":313,"year":314,"html":315,"doi":11},16966221,2005,"(2005) Natrochalcite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fnatrochalcite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":317,"year":318,"html":319,"doi":11},16118221,2018,"Kurz, Maditha; Ende, Martin; Giester, Gerald; Miletich, Ronald (2018): Hydrogen bonding in natrochalcite NaCu2(SO4)2(OH) 2H2O under high pressure. Pangeo2018 [https:\u002F\u002Fopac.geologie.ac.at\u002Fwwwopacx\u002Fwwwopac.ashx?command=getcontent&server=images&value=BR0128_085.pdf]",{"id":321,"year":322,"html":323,"doi":324},17263812,2024,"Giester, Gerald, Rieck, Branko (2024) Natrochalcite NaCu\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>∙H\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub> from the Lavrion Mining District – a brief characterisation. \u003Ci>Austrian Journal of Earth Sciences\u003C\u002Fi>,  117 (1) 45-49 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.17738\u002Fajes.2024.0004'>doi:10.17738\u002Fajes.2024.0004\u003C\u002Fa>","10.17738\u002Fajes.2024.0004",[326,336,343,351,357,366,371,378,388,397,404,411,417],{"id":327,"source_url":328,"license_code":329,"credit_html":330,"title":331,"description":332,"author":333,"original_width":334,"original_height":335},17404,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151764","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151764\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite-177618.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNatrochalcite\" class=\"extiw\" title=\"en:Natrochalcite\">Natrochalcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Chuquicamata Mine, Chuquicamata District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalama\" class=\"extiw\" title=\"en:Calama\">Calama\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEl_Loa_Province\" class=\"extiw\" title=\"en:El Loa Province\">El Loa Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntofagasta_Region\" class=\"extiw\" title=\"en:Antofagasta Region\">Antofagasta Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-641.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.3 x 5.5 x 4.5 cm.\u003C\u002Fdd>\n\u003Cdd>This is a rare hydrated, hydroxyl, sulfate, of sodium and copper that occurs primarily in arid areas, like Chuquicamata. The emerald green natrochalcite, in translucent crystals to .7 cm across, is color contrasted with its whitish-green matrix. Ex. Richard Hauck Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",800,688,{"id":337,"source_url":338,"license_code":329,"credit_html":339,"title":340,"description":332,"author":333,"original_width":341,"original_height":342},17405,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151765","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151765\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite-177619.jpg",305,400,{"id":344,"source_url":345,"license_code":329,"credit_html":346,"title":347,"description":348,"author":333,"original_width":349,"original_height":350},17408,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170705","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170705\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite-270261.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNatrochalcite\" class=\"extiw\" title=\"en:Natrochalcite\">Natrochalcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Chuquicamata Mine, Chuquicamata District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalama\" class=\"extiw\" title=\"en:Calama\">Calama\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEl_Loa_Province\" class=\"extiw\" title=\"en:El Loa Province\">El Loa Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntofagasta_Region\" class=\"extiw\" title=\"en:Antofagasta Region\">Antofagasta Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-641.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.6 x 4.5 x 3.8 cm.\u003C\u002Fdd>\n\u003Cdd>Natrochalcite is a very rare hydrated, sodium, copper sulfate the and the Chuquicamata Mine of Chile is the Type Locality. Discrete, gemmy and lustrous, emerald-green natrochalcite crystals to 6 mm richly and attractively cover the porphyry matrix. This very fine old-time specimen has an approximately 100-year old A.E. Foote label glued to the bottom of the piece.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",600,585,{"id":352,"source_url":353,"license_code":329,"credit_html":354,"title":355,"description":356,"author":333,"original_width":334,"original_height":335},17410,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461879","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461879\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite-rh3-35a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNatrochalcite\" class=\"extiw\" title=\"en:Natrochalcite\">Natrochalcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Chuquicamata Mine, Chuquicamata District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalama\" class=\"extiw\" title=\"en:Calama\">Calama\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEl_Loa_Province\" class=\"extiw\" title=\"en:El Loa Province\">El Loa Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntofagasta_Region\" class=\"extiw\" title=\"en:Antofagasta Region\">Antofagasta Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-641.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 7.3 x 5.5 x 4.5 cm\n\u003Cdl>\u003Cdt>Natrochalcite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This is a rare hydrated, hydroxyl, sulfate, of sodium and copper that occurs primarily in arid areas, like Chuquicamata. The emerald green natrochalcite, in translucent crystals to .7 cm across, is color contrasted with its whitish-green matrix. Some crystals are obviously damaged but overall the piece is exceptionally rich and colorful, so you can put up with it at the right price. This is another mineral species that never appears in dealers stocks.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":358,"source_url":359,"license_code":329,"credit_html":360,"title":361,"description":362,"author":363,"original_width":364,"original_height":365},17411,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866257","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866257\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite-96822.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNatrochalcite\" class=\"extiw\" title=\"en:Natrochalcite\">Natrochalcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Chuquicamata Mine, Chuquicamata District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalama\" class=\"extiw\" title=\"en:Calama\">Calama\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEl_Loa_Province\" class=\"extiw\" title=\"en:El Loa Province\">El Loa Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntofagasta_Region\" class=\"extiw\" title=\"en:Antofagasta Region\">Antofagasta Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-641.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Field of view 4 mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",794,572,{"id":367,"source_url":368,"license_code":329,"credit_html":369,"title":370,"description":356,"author":333,"original_width":341,"original_height":342},70069,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461878","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10461878\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite-rh3-35b.jpg",{"id":372,"source_url":373,"license_code":329,"credit_html":374,"title":375,"description":376,"author":363,"original_width":377,"original_height":350},70070,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866255","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866255\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite-96820.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNatrochalcite\" class=\"extiw\" title=\"en:Natrochalcite\">Natrochalcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Chuquicamata Mine, Chuquicamata District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalama\" class=\"extiw\" title=\"en:Calama\">Calama\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEl_Loa_Province\" class=\"extiw\" title=\"en:El Loa Province\">El Loa Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntofagasta_Region\" class=\"extiw\" title=\"en:Antofagasta Region\">Antofagasta Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-641.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Field of view 7 mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",784,{"id":379,"source_url":380,"license_code":381,"credit_html":382,"title":383,"description":384,"author":385,"original_width":386,"original_height":387},70077,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163478401","CC0 1.0","Nessa Eull, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163478401\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite (GeoDIL number - 635).jpg","Natrochalite is an emerald green copper mineral. It is a secondary mineral, often forming in veins or as crusts and has formula NaCu2(SO4)2(OH,H2O)2. This sample, from the largest open pit mine in the world at Chuquicamata, Chile, is 8 cm across.","Nessa Eull",3040,2016,{"id":389,"source_url":390,"license_code":381,"credit_html":391,"title":392,"description":393,"author":394,"original_width":395,"original_height":396},70078,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163478948","Darla Sondrol, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163478948\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Natrochalcite (GeoDIL number - 799).jpg","Natrochalite is an emerald green copper mineral from Chuquicamata, Chile. It is a secondary mineral, often forming in veins or crusts associated with copper ores. It has formula NaCu2(SO4)2(OH,H2O)2. This specimen is 7.5 cm in longest direction.","Darla Sondrol",2242,1974,{"id":398,"source_url":399,"license_code":329,"credit_html":400,"title":401,"description":402,"author":333,"original_width":349,"original_height":403},63240,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139752","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10139752\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Krohnkite-Natrochalcite-119611.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKr%C3%B6hnkite\" class=\"extiw\" title=\"en:Kröhnkite\">Kröhnkite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNatrochalcite\" class=\"extiw\" title=\"en:Natrochalcite\">Natrochalcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Chuquicamata Mine, Chuquicamata District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalama\" class=\"extiw\" title=\"en:Calama\">Calama\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEl_Loa_Province\" class=\"extiw\" title=\"en:El Loa Province\">El Loa Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntofagasta_Region\" class=\"extiw\" title=\"en:Antofagasta Region\">Antofagasta Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-641.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.2 x 5.0 x 4.7 cm.\u003C\u002Fdd>\n\u003Cdd>An exceptionally rich, old-time specimen of the rare sulfate, krohnkite, from the Type Locality, the Chuquicatmata Mine of Chile. The piece is beautifully complimented by the rare, emerald-green sulfate, natrochalcite. Chuquicamata is also the Type Locality for natrochalcite. Without question, this specimen exhibits the most intense teal blue color I have ever seen in a natural mineral specimen and has great translucence. And the variation in blue color, in itself, is very noteworthy. The veins exhibit what is classic for the species, lamellar growth of crystals in parallel bundles. The piece was purchased on September 11, 1939. Ex. Harvard and George Elling Collections.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",346,{"id":405,"source_url":406,"license_code":329,"credit_html":407,"title":408,"description":409,"author":333,"original_width":349,"original_height":410},17406,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166046","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166046\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Krohnkite-Natrochalcite-244278.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKr%C3%B6hnkite\" class=\"extiw\" title=\"en:Kröhnkite\">Kröhnkite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNatrochalcite\" class=\"extiw\" title=\"en:Natrochalcite\">Natrochalcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Chuquicamata Mine, Chuquicamata District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalama\" class=\"extiw\" title=\"en:Calama\">Calama\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEl_Loa_Province\" class=\"extiw\" title=\"en:El Loa Province\">El Loa Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntofagasta_Region\" class=\"extiw\" title=\"en:Antofagasta Region\">Antofagasta Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-641.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 2.8 x 2.1 x 1.8 cm.\u003C\u002Fdd>\n\u003Cdd>A rich, old-time and showy specimen of the rare sulfate, krohnkite, from the Type Locality, the Chuquicamata Mine of Chile. The piece is beautifully complimented by the very rare emerald-green sulfate, natrochalcite. Chuquicamata is also the Type Locality for natrochalcite. Without question, this specimen exhibits the most intense teal blue color I have ever seen in a natural mineral specimen and has great translucence! And the variation in blue color, in itself, is very noteworthy. The veins exhibit what is classic for the species, lamellar growth of crystals in parallel bundles. Ex. John White Collection of Seattle and accompanied by with an old, water-stained label.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",473,{"id":412,"source_url":413,"license_code":329,"credit_html":414,"title":415,"description":409,"author":333,"original_width":416,"original_height":349},17407,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166047","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166047\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Krohnkite-Natrochalcite-244279.jpg",548,{"id":418,"source_url":419,"license_code":329,"credit_html":420,"title":421,"description":402,"author":333,"original_width":422,"original_height":423},63245,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10156819","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10156819\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Krohnkite-Natrochalcite-195016.jpg",500,399,[425,431,435],{"id":426,"url":427,"label":428,"formula":429,"spacegroup":430,"year":322},9755,"\u002Fcif\u002F9755.cif","Giester 2024","Na Cu2 S2 O10 H3","C 1 2\u002Fm 1",{"id":432,"url":433,"label":434,"formula":429,"spacegroup":430,"year":295},9756,"\u002Fcif\u002F9756.cif","Chevrier 1993",{"id":436,"url":437,"label":438,"formula":429,"spacegroup":430,"year":285},9757,"\u002Fcif\u002F9757.cif","Giester 1987",[440],"Natrochalciet",[442,446,450,454,458,462],{"lang":443,"names":444},"ca",[445],"natrocalcita",{"lang":447,"names":448},"de",[449],"Natrochalcit",{"lang":451,"names":452},"es",[453],"Natrocalcocita",{"lang":455,"names":456},"eu",[457],"Natrochalcita",{"lang":459,"names":460},"it",[461,7],"Natrocalcite",{"lang":463,"names":464},"uk",[465],"Натрохальцит","Q3873295",{"history":11,"applications":11}]