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Stockholm: 234 (as Kobalt Blomma, Flos Cobalti [crystals], Koboltbeslag [earthy & impure], Cobalti minera colore rubro).",{"id":324,"year":325,"html":326,"doi":11},12960775,1758,"Cronstedt, Axel Fredrik (1758) \u003Ci>Försök till en Mineralogie eller Mineral Rikets Upställning\u003C\u002Fi>. J. A. Carlbohm, Stockholm. \u003Ca target='_blank' href='https:\u002F\u002Farchive.org\u002Fdownload\u002FForsokTillEnMineralogie\u002Fcronstedt-a-forsok-1781-RTL002100-LowRes.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":328,"year":329,"html":330,"doi":11},16108609,1780,"Bergmann, T. (1780) Opuscula of Tobernus Bergmann: 2: 444 (as Cobaltum Acido arsenico mineralisatum).",{"id":332,"year":333,"html":334,"doi":11},16520514,1783,"Bergman, Torbern (1783) \u003Ci>Sciagraphia Regni Mineralis Secundum Principia Proxima Digesti [Sketch of the Mineral Kingdom According to the Proximate Principles of Digestion]\u003C\u002Fi>. Apud Johannem Murray, Londini. 165pp. \u003Ca target='_blank' href='https:\u002F\u002Farchive.org\u002Fdownload\u002Fb33021491\u002Fb33021491.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":336,"year":337,"html":338,"doi":11},18530121,1832,"Beudant, François-Sulpice (1832) \u003Ci>Traité élémentaire de minéralogie. Deuxiéme Edition [Elementary Treatise on Mineralogy. Second Edition]\u003C\u002Fi> (2nd ed.) Vol. 2 - Tome II [Volume  II]. Chez Verdière. \u003Ca target='_blank' href='https:\u002F\u002Farchive.org\u002Fdownload\u002Fbub_gb_XSRCAAAAcAAJ\u002Fbub_gb_XSRCAAAAcAAJ.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":340,"year":341,"html":342,"doi":11},16108612,1841,"Huot, J.J. (1841) Manuel de Minéralogie. 2 volumes, Paris: 1: 313 (as Rhodoise).",{"id":344,"year":345,"html":346,"doi":11},16108613,1843,"Kersten (1843) Annalen der Physik, Halle, Leipzig: 60: 151.",{"id":348,"year":349,"html":350,"doi":11},16108614,1856,"Vogl (1856) Gangverhält. und Min. Joachimsthal, Teplitz.",{"id":352,"year":353,"html":354,"doi":11},16108615,1868,"Petersen (1868) Annalen der Physik, Halle, Leipzig: 134: 86.",{"id":356,"year":357,"html":358,"doi":11},16100712,1872,"Brezina (1872) Mineralogische und petrographische Mitteilungen, Vienna: 19.",{"id":360,"year":361,"html":362,"doi":11},16100713,1884,"Mügge (1884) Jahrbuch für Mineralogie: I: 53.",{"id":364,"year":365,"html":366,"doi":11},16108616,1885,"Genth (1885) Proceedings of the American Philosophical Society: 23: 46.",{"id":368,"year":369,"html":370,"doi":11},1118647,1892,"Dana, Edward Salisbury; Dana, James Dwight (1892) \u003Ci>A System of Mineralogy\u003C\u002Fi> (6th ed.). John Wiley & Sons, Inc.",{"id":372,"year":373,"html":374,"doi":11},16100716,1898,"Mügge (1898) Jahrbuch für Mineralogie: I: 74.",{"id":376,"year":377,"html":378,"doi":11},16100717,1904,"de Schulten (1904) Comptes rendus de l’Académie des sciences de Paris: 136: 1444.",{"id":380,"year":381,"html":382,"doi":11},16100719,1910,"Shannon, Green (1910) Transactions of the Canadian Institute, Toronto: 8: 443.",{"id":384,"year":385,"html":386,"doi":11},16100720,1914,"Lincio (1914) Sitzbereicht Heidelberg Ak. Wiss., Math-phys. Kl., Abh.: 15.",{"id":388,"year":389,"html":390,"doi":11},4468627,1918,"(1918) \u003Ci>Atlas Der Krystallformen\u003C\u002Fi> Vol. 5 - Text - Band V - Kainit-Margarosanit. Carl Winters Universitätsbuchhandlung, Heidelberg.",{"id":392,"year":393,"html":394,"doi":395},647767,1921,"Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. \u003Ci>Bulletin\u003C\u002Fi> 679. US Geological Survey \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3133\u002Fb679'>doi:10.3133\u002Fb679\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fpubs.usgs.gov\u002Fbul\u002F0679\u002Freport.pdf' class='refpdflink'>\u003C\u002Fa>","10.3133\u002Fb679",{"id":397,"year":398,"html":399,"doi":11},16100723,1926,"Ulrich (1926) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 64: 143.",{"id":401,"year":402,"html":403,"doi":11},16108618,1933,"Hintze, Carl (1933) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [3B]: 1261, 1264.",{"id":405,"year":406,"html":407,"doi":408},653692,1934,"Larsen, E.S.; Berman, H. (1934) The microscopic determination of the nonopaque minerals. \u003Ci>Bulletin of the US Geological Survey\u003C\u002Fi> Vol. 848. US Geological Survey p.1-266. \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3133\u002Fb848'>doi:10.3133\u002Fb848\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fpubs.usgs.gov\u002Fbul\u002F0848\u002Freport.pdf?reftype=.pdf' class='refpdflink'>\u003C\u002Fa>","10.3133\u002Fb848",{"id":410,"year":411,"html":412,"doi":11},520597,1937,"Barth, Tom F. W. (1937) Crystallographic studies in the vivianite group. \u003Ci>American Mineralogist\u003C\u002Fi>,  22 (5) 325-341 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM22\u002FAM22_325.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":414,"year":415,"html":416,"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":418,"year":419,"html":420,"doi":11},16108622,1942,"Friedlaender, C. (1942) Über den Erythrin von Mont-Chemin (Wallis). Verhandlungen der Schweizerischen Naturforschenden Gesellschaft: 122: 112.",{"id":422,"year":419,"html":423,"doi":424},233613,"Sinkler, Helen (1942) Geology and ore deposits of the Dillon nickel prospect, southwestern Montana. \u003Ci>Economic Geology\u003C\u002Fi>,  37 (2) 136-152 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgsecongeo.37.2.136'>doi:10.2113\u002Fgsecongeo.37.2.136\u003C\u002Fa>","10.2113\u002Fgsecongeo.37.2.136",{"id":426,"year":427,"html":428,"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":430,"year":431,"html":432,"doi":11},17093607,1968,"Faye, G. H., Nickel, E. H. (1968) The origin of pleochroism in erythrite. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  9 (4) 493-504 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM9_492.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":434,"year":435,"html":436,"doi":11},16100730,1995,"Jambor, J.L., Dutrizac, J.E. (1995) Solid solutions in the annabergite - erythrite - hörnesite synthetic system. The Canadian Mineralogist: 33: 1063-1071.",{"id":438,"year":439,"html":440,"doi":441},127398,1996,"Wildner, Manfred, Giester, Gerald, Lengauer, Christian L., Mccammon, Catherine A. (1996) Structure and crystal chemistry of vivianite-type compounds: Crystal structures of erythrite and annabergite with a Mössbauer study of erythrite. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  8 (1) 187-192 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F8\u002F1\u002F0187'>doi:10.1127\u002Fejm\u002F8\u002F1\u002F0187\u003C\u002Fa>","10.1127\u002Fejm\u002F8\u002F1\u002F0187",{"id":443,"year":444,"html":445,"doi":11},16771790,2000,"Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (2000) \u003Ci>Handbook of Mineralogy\u003C\u002Fi> Vol. 4 - Arsenates, phosphates, vanadates. Mineral Data Publishing, Tucson, Arizona.",{"id":447,"year":448,"html":449,"doi":11},16964153,2005,"(2005) Erythrite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ferythrite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":451,"year":448,"html":452,"doi":453},64129,"Martens, W. N., Kloprogge, J. T., Frost, R. L., Rintoul, L. (2005) Site Occupancy of Co and Ni in Erythrite Annabergite Solid Solutions Deduced by Vibrational Spectroscopy. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  43 (3) 1065-1075 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.43.3.1065'>doi:10.2113\u002Fgscanmin.43.3.1065\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fcm\u002Fvol43\u002FCM43_1065.pdf' class='refpdflink'>\u003C\u002Fa>","10.2113\u002Fgscanmin.43.3.1065",{"id":455,"year":456,"html":457,"doi":458},30637,2007,"Cook, Robert B. (2007) Connoisseur's Choice: Erythrite, Bou Azzer, Morocco. \u003Ci>Rocks & Minerals\u003C\u002Fi>,  82 (5). 402-408 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3200\u002Frmin.82.5.402-408'>doi:10.3200\u002Frmin.82.5.402-408\u003C\u002Fa>","10.3200\u002Frmin.82.5.402-408",{"id":460,"year":456,"html":461,"doi":462},116865,"Capitelli, Francesco, Elaatmani, Mohamed, Lalaoui, My Driss, Piniella, Juan F. (2007) Crystal structure of a vivianite-type mineral: Mg-rich erythrite, (Co\u003Csub>2.16\u003C\u002Fsub>Ni\u003Csub>0.24\u003C\u002Fsub>Mg\u003Csub>0.60\u003C\u002Fsub>)(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 8 H\u003Csub>2\u003C\u002Fsub>O. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  222 (12). 676-679 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.2007.222.12.676'>doi:10.1524\u002Fzkri.2007.222.12.676\u003C\u002Fa>","10.1524\u002Fzkri.2007.222.12.676",{"id":464,"year":465,"html":466,"doi":467},7734764,2017,"Antao, Sytle M., Dhaliwal, Inayat (2017) Growth Oscillatory Zoning in Erythrite, Ideally Co3(AsO4)2·8H2O: Structural Variations in Vivianite-Group Minerals. \u003Ci>Minerals\u003C\u002Fi>,  7 (8). 136 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin7080136'>doi:10.3390\u002Fmin7080136\u003C\u002Fa>","10.3390\u002Fmin7080136",{"id":469,"year":470,"html":471,"doi":472},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":474,"year":475,"html":476,"doi":477},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",{"id":479,"year":480,"html":481,"doi":482},19715039,2026,"Majzlan, Juraj; Többens, Daniel M; Lengauer, Christian (2026) Cation ordering in the annabergite-erythrite-hörnesite solid solutions. \u003Ci>Mineralogy and Petrology\u003C\u002Fi>.  \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00710-025-00963-9'>doi:10.1007\u002Fs00710-025-00963-9\u003C\u002Fa>","10.1007\u002Fs00710-025-00963-9",[484,494,501,505,514,520,528,533,541,545,552,562,570,578,587,595,605,612,619,626,633,641,648],{"id":485,"source_url":486,"license_code":487,"credit_html":488,"title":489,"description":490,"author":491,"original_width":492,"original_height":493},8046,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6889052","CC BY-SA 3.0","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6889052\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythritemaroc1.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa> \n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality : Bou Azzer, Bou Azzer District, Tazenakht, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOuarzazate_Province\" class=\"extiw\" title=\"en:Ouarzazate Province\">Ouarzazate Province\u003C\u002Fa>, Souss-Massa-Draâ Region, Morocco\u003C\u002Fdd>\n\u003Cdd>Size : 5.5 x 4.5 x 3 cm; XX1.7cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Didier Descouens",2795,3150,{"id":495,"source_url":496,"license_code":497,"credit_html":498,"title":7,"description":11,"author":11,"original_width":499,"original_height":500},29672,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F114768","CC BY 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F114768\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",1000,666,{"id":502,"source_url":503,"license_code":497,"credit_html":504,"title":7,"description":11,"author":11,"original_width":499,"original_height":500},29673,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F115151","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F115151\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":506,"source_url":507,"license_code":487,"credit_html":508,"title":509,"description":510,"author":511,"original_width":512,"original_height":513},8048,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151239","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151239\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-176702.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Bou Azzer, Bou Azzer District, Tazenakht, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOuarzazate_Province\" class=\"extiw\" title=\"en:Ouarzazate Province\">Ouarzazate Province\u003C\u002Fa>, Souss-Massa-Draâ Region, Morocco (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-123386.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 2.7 x 2.2 x 2.0 cm.\u003C\u002Fdd>\n\u003Cdd>This piece features dozens of sharp, highly lustrous, translucent, rich rose-plum colored erythrite crystals in a beautiful “flower”-like spray.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",613,576,{"id":515,"source_url":516,"license_code":517,"credit_html":518,"title":7,"description":11,"author":11,"original_width":499,"original_height":519},29674,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F166428","CC BY-SA 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F166428\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",750,{"id":521,"source_url":522,"license_code":487,"credit_html":523,"title":524,"description":525,"author":511,"original_width":526,"original_height":527},8049,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10154579","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10154579\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-187680.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Bou Azzer, Bou Azzer District, Tazenakht, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOuarzazate_Province\" class=\"extiw\" title=\"en:Ouarzazate Province\">Ouarzazate Province\u003C\u002Fa>, Souss-Massa-Draâ Region, Morocco (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-123386.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 8.8 x 4.0 x 3.5 cm.\u003C\u002Fdd>\n\u003Cdd>Supremely iridescent, very gemmy, magenta erythrite blades to 8 mm are richly scattered as discrete crystals and in clusters on matrix. This fine piece from the Bou Azzer deposit is further accented by a second generation of smaller, botryoidal, light purple, acicular erythrite crystals.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",600,585,{"id":529,"source_url":530,"license_code":517,"credit_html":531,"title":7,"description":11,"author":11,"original_width":499,"original_height":532},29675,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F65282","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F65282\" rel=\"noopener\">The Estonian Museum of Natural History\u003C\u002Fa> via Europeana",889,{"id":534,"source_url":535,"license_code":487,"credit_html":536,"title":537,"description":538,"author":511,"original_width":539,"original_height":540},8050,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160178","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160178\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-207517.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mt Cobalt Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSelwyn_District\" class=\"extiw\" title=\"en:Selwyn District\">Selwyn District\u003C\u002Fa>, Mt Isa - Cloncurry area, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQueensland\" class=\"extiw\" title=\"en:Queensland\">Queensland\u003C\u002Fa>, Australia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-138.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.5 x 8.5 x 2.5 cm.\u003C\u002Fdd>\n\u003Cdd>Striking, metallic, magenta erythrite in tufted hairs richly and aesthetically cover the matrix plate on this exceptional specimen from the famous Mt. Cobalt of Australia. Older material, and in such size and richness this is not often seen.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",698,540,{"id":542,"source_url":543,"license_code":497,"credit_html":544,"title":7,"description":11,"author":11,"original_width":499,"original_height":500},29676,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119192","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119192\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":546,"source_url":547,"license_code":487,"credit_html":548,"title":549,"description":550,"author":511,"original_width":551,"original_height":519},8051,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164265","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164265\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-233495.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mt Cobalt Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSelwyn_District\" class=\"extiw\" title=\"en:Selwyn District\">Selwyn District\u003C\u002Fa>, Mt Isa - Cloncurry area, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQueensland\" class=\"extiw\" title=\"en:Queensland\">Queensland\u003C\u002Fa>, Australia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-138.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 1.6 x 0.9 x 0.6 cm.\u003C\u002Fdd>\n\u003Cdd>A striking thumbnail tuft of gemmy\u002Fmetallic, magenta erythrite hairs on this exceptional specimen from the Mt. Cobalt Mine of Australia. Unusually rich and seldom available in this quality. Older material.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",596,{"id":553,"source_url":554,"license_code":555,"credit_html":556,"title":557,"description":558,"author":559,"original_width":560,"original_height":561},8053,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=74845582","CC BY 2.0","Jarno from Rotterdam, Netherlands, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=74845582\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite (518613844).jpg","\u003Cp>Erythrite (red cobalt) from Bou Azzer, Morocco\n\u003C\u002Fp>\nBest viewed <a href=\"\u003Ca rel=\"nofollow\" class=\"external free\" href=\"https:\u002F\u002Fwww.flickr.com\u002Fphoto_zoom.gne?id=518613844&size=l\">https:\u002F\u002Fwww.flickr.com\u002Fphoto_zoom.gne?id=518613844&size=l\u003C\u002Fa>\">large<\u002Fa>.","Jarno from Rotterdam, Netherlands",1925,1233,{"id":563,"source_url":564,"license_code":487,"credit_html":565,"title":566,"description":567,"author":511,"original_width":568,"original_height":569},8047,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10142161","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10142161\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-Stellerite-135275.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStellerite\" class=\"extiw\" title=\"en:Stellerite\">Stellerite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sara Alicia Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSan_Bernardo\" class=\"extiw\" title=\"en:San Bernardo\">San Bernardo\u003C\u002Fa>, Municipio de Alamos, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSonora\" class=\"extiw\" title=\"en:Sonora\">Sonora\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2364.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 19.0 x 9.8 x 8.0 cm.\u003C\u002Fdd>\n\u003Cdd>Bright and lustrous, radiating, magenta erythrite needle crystal clusters RICHLY covering ALL sides of this LARGE CABINET specimen. The front is BEAUTIFULLY and RICHLY covered with white and black clusters of radiating, acicular crystals, like star bursts and really compliments the erythrite. The white and black minerals are stellerite, a RARE association. This excellent specimen is from an UNCOMMON Mexican locality - the Sara Alicia Mine, San Bernardo, Sonora, Mexico. This is a choice and HUGE specimen for this locality.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",550,406,{"id":571,"source_url":572,"license_code":487,"credit_html":573,"title":574,"description":575,"author":511,"original_width":576,"original_height":577},8052,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453516","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453516\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-Skutterudite-mrz319b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSkutterudite\" class=\"extiw\" title=\"en:Skutterudite\">Skutterudite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Bou Azzer, Bou Azzer District, Tazenakht, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOuarzazate_Province\" class=\"extiw\" title=\"en:Ouarzazate Province\">Ouarzazate Province\u003C\u002Fa>, Souss-Massa-Draâ Region, Morocco (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-123386.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 3.25 x 3 x 2.1 cm\n\u003Cdl>\u003Cdt>Erythrite with Skutterudite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Intermixed with silvery crystals of skutterudite are diverging blades of lustrous, magenta colored erythrite, to .7 cm across. Arguably, Bou Azzer, Morocco has produced the world�s finest erythrite specimens. This combination and style is characteristic of material found here 20-plus years ago, and regarded as \"classic\" ! It is a bright and colorful miniature\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,362,{"id":579,"source_url":580,"license_code":487,"credit_html":581,"title":582,"description":583,"author":584,"original_width":585,"original_height":586},5998,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=22520777","Parent Géry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=22520777\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Érythrite, cobaltkoritnigite.jpg","crystals of erythrite, cristals of cobaltkoritnigite : Shaft 1, Bou Azer (Bou Azzer), Bou Azer District (Bou Azzer District), Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco","Parent Géry",4288,2848,{"id":588,"source_url":589,"license_code":487,"credit_html":590,"title":591,"description":592,"author":511,"original_width":593,"original_height":594},11250,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137609","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137609\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-Heterogenite-70899.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHeterogenite\" class=\"extiw\" title=\"en:Heterogenite\">Heterogenite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sara Alicia Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSan_Bernardo\" class=\"extiw\" title=\"en:San Bernardo\">San Bernardo\u003C\u002Fa>, Municipio de Alamos, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSonora\" class=\"extiw\" title=\"en:Sonora\">Sonora\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2364.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Bright and lustrous, deep red to magenta, radiating erythrite needle crystal clusters nicely set on a gossan matrix plate with the RARE botryoidal, brown, cobalt oxide heterogenite from an UNCOMMON Mexican locality - the Sara Alicia Mine, San Bernardo, Sonora, Mexico. This is a choice specimen for this locality. Old material ex Gary Hansen collection 3.3 x 2.5 x 1.1 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",484,590,{"id":596,"source_url":597,"license_code":598,"credit_html":599,"title":600,"description":601,"author":602,"original_width":603,"original_height":604},11257,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114845775","CC0 1.0","Fernando Brederodes, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114845775\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Smolyaninovite, Mansfieldite, Erythrite, Heterogenite-624241.png","Yellow smolyaninovite pseudom. after Erythrite, pale pink spheres Mansfieldite, red unaltered needles Erythrite and black Heterogenite; From: Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland, Australia. Photo and collection Fernando Brederodes.","Fernando Brederodes",1179,890,{"id":606,"source_url":607,"license_code":487,"credit_html":608,"title":609,"description":610,"author":511,"original_width":526,"original_height":611},14104,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10158452","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10158452\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lavendulan-Erythrite-199347.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLavendulan\" class=\"extiw\" title=\"en:Lavendulan\">Lavendulan\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: La Blanco Mine (Blanca Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFreirina\" class=\"extiw\" title=\"en:Freirina\">Freirina\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHuasco_Province\" class=\"extiw\" title=\"en:Huasco Province\">Huasco Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAtacama_Region\" class=\"extiw\" title=\"en:Atacama Region\">Atacama Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-122511.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.7 x 5.8 x 5.4 cm.\u003C\u002Fdd>\n\u003Cdd>This is an incredibly interesting specimen, with a history. The uncanny blue you see here in this thin seam is a little-known hydrous arsenate of copper (NaCaCu5(AsO4)4Cl•5(H2O) – a secondary mineral of copper and arsenate deposits. It is in combination here with erythrite, which surrounds the lavendulan and continues around the specimen as a seam; the lavendulan is basically sandwiched by the erythrite. Hey’s Mineral Index lists lavendulan from this locality as being described by one E. Goldsmith in 1877 at the Proceedings of the Academy of Natural Sciences in Philadelphia. Ex. Philadelphia Academy of Natural Sciences Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",500,{"id":613,"source_url":614,"license_code":487,"credit_html":615,"title":616,"description":617,"author":511,"original_width":526,"original_height":618},22659,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120499","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120499\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Spherocobaltite-Erythrite-21678.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSpherocobaltite\" class=\"extiw\" title=\"en:Spherocobaltite\">Spherocobaltite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Kakanda North Mine, Kakanda deposit, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKambove\" class=\"extiw\" title=\"en:Kambove\">Kambove\u003C\u002Fa>, Central area, Katanga Copper Crescent, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKatanga\" class=\"extiw\" title=\"en:Katanga\">Katanga (Shaba)\u003C\u002Fa>, Democratic Republic of Congo (Zaïre) (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-41273.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>An extremely rich specimen with individual, isolated crystals of Spherocobaltite to several mm in size against a carpet of lavender erythrite (fibrous, hairy microcrystals). This specimen presents an aesthetic quality very rare for the material. Old Gilbert Gauthier specimen, to Bill Smith. 6 x 4 x 4.4 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",449,{"id":620,"source_url":621,"license_code":487,"credit_html":622,"title":623,"description":624,"author":511,"original_width":568,"original_height":625},34106,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146879","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146879\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-Heterogenite-157345.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHeterogenite\" class=\"extiw\" title=\"en:Heterogenite\">Heterogenite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sara Alicia Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSan_Bernardo\" class=\"extiw\" title=\"en:San Bernardo\">San Bernardo\u003C\u002Fa>, Municipio de Alamos, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSonora\" class=\"extiw\" title=\"en:Sonora\">Sonora\u003C\u002Fa>, Mexico (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2364.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.8 x 4.9 x 1.6 cm.\u003C\u002Fdd>\n\u003Cdd>Bright and lustrous, iridescent magenta, radiating erythrite needle crystal clusters nicely set on a sculptural gossan matrix plate with the RARE botryoidal, black, cobalt oxide heterogenite from an UNCOMMON Mexican locality - the Sara Alicia Mine, San Bernardo, Sonora, Mexico. This is a choice specimen for this locality. Ex. Carl Davis Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",496,{"id":627,"source_url":628,"license_code":487,"credit_html":629,"title":630,"description":631,"author":511,"original_width":526,"original_height":632},49951,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10159461","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10159461\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-Cobaltite-202101.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCobaltite\" class=\"extiw\" title=\"en:Cobaltite\">Cobaltite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: La Blanco Mine (Blanca Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFreirina\" class=\"extiw\" title=\"en:Freirina\">Freirina\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHuasco_Province\" class=\"extiw\" title=\"en:Huasco Province\">Huasco Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAtacama_Region\" class=\"extiw\" title=\"en:Atacama Region\">Atacama Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-122511.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 15.0 x 13.0 x 7.0 cm.\u003C\u002Fdd>\n\u003Cdd>A beautiful, large matrix specimen with a huge display face covered by sharp, metallic, acicular erythrite crystals. The matrix is heavy cobaltite-rich matrix, solid ore, weighing several kilos. This specimen was given by the eminent researcher in the area, Dr. Domeyko, who sent many study samples to the Academy during its heyday. Ex. Academy of Natural Sciences Philadelphia Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",522,{"id":634,"source_url":635,"license_code":487,"credit_html":636,"title":637,"description":638,"author":511,"original_width":639,"original_height":640},49952,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10159465","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10159465\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-Cobaltite-202103.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErythrite\" class=\"extiw\" title=\"en:Erythrite\">Erythrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCobaltite\" class=\"extiw\" title=\"en:Cobaltite\">Cobaltite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: La Blanco Mine (Blanca Mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFreirina\" class=\"extiw\" title=\"en:Freirina\">Freirina\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHuasco_Province\" class=\"extiw\" title=\"en:Huasco Province\">Huasco Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAtacama_Region\" class=\"extiw\" title=\"en:Atacama Region\">Atacama Region\u003C\u002Fa>, Chile (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-122511.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.3 x 2.8 x 2.8 cm.\u003C\u002Fdd>\n\u003Cdd>A miniature-sized specimen with 2 rich areas (one on the side) covered by sharp, metallic, acicular erythrite crystals. This specimen was given by the eminent researcher in the area, Dr. Domeyko, who sent many study samples to the Academy during its heyday. Ex. Academy of Natural Sciences Philadelphia Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",800,684,{"id":642,"source_url":643,"license_code":487,"credit_html":644,"title":645,"description":624,"author":511,"original_width":646,"original_height":647},58827,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146877","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10146877\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-Heterogenite-157342.jpg",599,452,{"id":649,"source_url":650,"license_code":487,"credit_html":651,"title":652,"description":567,"author":511,"original_width":526,"original_height":653},80594,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10142160","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10142160\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Erythrite-Stellerite-135274.jpg",312,[655],{"id":656,"url":657,"label":658,"formula":659,"spacegroup":660,"year":439},4244,"\u002Fcif\u002F4244.cif","Wildner 1996","Co2.01 Fe.74 Ni.25 As2 O16 H16","C 1 2\u002Fm 1",[662,663,664,665,666,667,668,669,670,671,672,673,674,675,676,677,678,679,680,681,682,683,684,685],"Arsenate of Cobalt","Cobalt arseniaté","Cobalt bloom","Cobalt crust","Cobalt Ocher","Cobalt-mica","Cobalti minera colore rubro","Cobaltum Acido arsenico mineralisatum","Erythrine","Erythrita","Erythrite (of Beudant)","Flos Kobalti","Kobaltblüte","Kobold-Blüthe","Kobolt Blomma","Koboltbeschlag","Koboltbeslag","Koboltblüthe","Ochra Cobalti rubra","Red Cobalt","Red cobalt ochre","Rhodoial","Rhodoîse","Rhodoit",[687,691,695,699,704,708,712,716,719,723,726,730,735,739,743,747,751,755,759,764,767,771,775,779,782,787,791,794,798,803,806],{"lang":688,"names":689},"ar",[690],"إريثريت",{"lang":692,"names":693},"ast",[694],"Eritrina",{"lang":696,"names":697},"az",[698],"Eritrin",{"lang":700,"names":701},"ca",[702,703],"eritrina","Eritrita",{"lang":705,"names":706},"cs",[707],"erytrín",{"lang":709,"names":710},"de",[711],"Erythrin",{"lang":713,"names":714},"el",[715],"Ερυθρίτης",{"lang":717,"names":718},"es",[702],{"lang":720,"names":721},"et",[722],"erütriin",{"lang":724,"names":725},"eu",[702,703],{"lang":727,"names":728},"fa",[729],"اریتریت",{"lang":731,"names":732},"fi",[733,734],"erytriini","erytriitti",{"lang":736,"names":737},"fr",[738],"érythrite",{"lang":740,"names":741},"he",[742],"אריתריט",{"lang":744,"names":745},"hu",[746],"eritrin",{"lang":748,"names":749},"it",[750],"eritrite",{"lang":752,"names":753},"ja",[754],"コバルト華",{"lang":756,"names":757},"kk",[758],"Эритрин",{"lang":760,"names":761},"nl",[762,763],"erythriet","Erytriet",{"lang":765,"names":766},"nn",[711],{"lang":768,"names":769},"pl",[770],"erytryn",{"lang":772,"names":773},"ru",[774],"эритрин",{"lang":776,"names":777},"sk",[778],"Erytrit",{"lang":780,"names":781},"sv",[778],{"lang":783,"names":784},"ta",[785,786],"Co3(AsO4)2•8H2O.","எரித்ரைட்டு",{"lang":788,"names":789},"uk",[790],"еритрин",{"lang":792,"names":793},"uz",[698],{"lang":795,"names":796},"vi",[797],"Erythrit",{"lang":799,"names":800},"zh",[801,802],"鈷華","钴华",{"lang":804,"names":805},"zh-hant",[801],{"lang":807,"names":808},"zh-tw",[801],"Q247914",{"history":811,"applications":815},{"markdown":812,"model_version":813,"prompt_version":814,"reviewed_at":11},"Long before erythrite had a name, miners in Saxony knew its colour. Cobalt-bearing ore was being mined in Saxony by the 16th century to make smalt — a deep-blue glass pigment ground for use in ceramics and painting — and on the weathered faces of that ore the miners found a thin pink-to-crimson powder. They called it **cobalt bloom**, *Kobaltblüte* in German, and learned to read it as a sign that a workable cobalt vein lay underneath[1].\n\nThe ore itself had a bad reputation. It was poor in known metals and gave off poisonous arsenic-bearing fumes when smelted, so the miners blamed it on a mischievous mountain spirit, the *Kobold*[2]. That name stuck. In 1735 the Swedish chemist Georg Brandt isolated the metal the ore contained and kept the miners' word, calling the new element **cobalt**[2].\n\nThe pink mineral itself got its scientific name almost a century later. In 1832, the French mineralogist François Sulpice Beudant described it formally and called it **erythrite**, from the Greek *erythros* — red — for its crimson-purple colour[3]. The type locality was Grube Daniel, one of the cobalt mines at Schneeberg in Saxony[4].\n\nErythrite has a near twin. Replace its cobalt with nickel and the same crystal structure produces **annabergite**, a pale apple-green mineral that forms as nickel bloom on weathering nickel-arsenide ores. The two end-members are connected by every intermediate composition, so a single specimen can shade from pink toward green as nickel substitutes for cobalt[5].\n\nFor generations of prospectors the bright bloom was the most useful thing about the mineral. A patch of crimson powder on an outcrop is read as a guide to cobalt and to the silver-bearing arsenide ores cobalt often accompanies[6].","claude-opus-4-7","1.7.0",{"markdown":816,"model_version":813,"prompt_version":814,"reviewed_at":11},"Erythrite has no significant industrial use of its own. It forms as thin secondary coatings and crusts on weathering cobalt-arsenic ore, not in the volumes a smelter would want, and has never been an economically important mineral[1].\n\nIts crimson-to-peach surface bloom does still serve field geologists. A patch of pink powder on weathered outcrop is read as a guide to cobalt, and to the silver-bearing arsenide ores cobalt often accompanies[2]. Beyond that, demand for erythrite is the demand of collectors and museums. Specimens from Bou Azzer in Morocco and from the historic Schneeberg cobalt district in Saxony are prized for their colour and their radiating crystal habit[3]."]