 | Kasatkin, A. V., Plášil, J., Pekov, I. J., Belakovskiy, D. I., Nestola, F., Čejka, J., Vigasina, M. F., Zorzi, F., Thorne, B. (2015) Karpenkoite, Co3(V2O7)(OH)2·2H2O, a cobalt analogue of martyite from the Little Eva mine, Grand County, Utah, USA. Journal of GEOsciences, 60 (4) 251-257 | Journal (article/letter/editorial) | | paper Karpenkoite, Co3(V2O7)(OH)2·2H2O, a cobalt analogue of martyite from the Little Eva mine, Grand...Grand County, Utah, USA Anatoly V. Kasatkin1, Jakub Plášil2*, Igor V. Pekov3, Dmitry I. Belakovskiy1, Fabrizio...Circle, Bountiful, UT 84010, USA * Corresponding author 1 2 Karpenkoite (IMA 2014-092), ideally Co3(V2O7)(OH)2·2H2O...analogue of martyite, found at the Little Eva mine, Grand County, Utah, USA. It occurs on sandstone matrix...unidentified Al vanadate. Karpenkoite is a secondary mineral formed during the post-mining oxidation of corvusite |  | | Report (issue) | | Karpenkoite Co3(V2O7)(OH)2·2H2O Crystal Data: Hexagonal. Point Group: 3 2/m. As lamellar crystals to...reddish brown in transmitted light. Streak: Pale yellow-orange. Luster: Vitreous. Optical Class: Uniaxial...234(6) Z=1 X-ray Powder Pattern: Little Eva mine, Grand County, Utah, USA. 7.15 (100), 2.95 (54), 2.60 (36)...12.66 38.70 [11.61] 100.19 (1) Little Eva mine, Grand County, Utah, USA; average of 12 electron microprobe...Occurrence: A secondary mineral formed during the post-mining oxidation of corvusite and montroseite in a moist |  | | Journal (article/letter/editorial) | | dachiardite-K, ilyukhinite, jahnsite-(CaFeMg), ježekite, karpenkoite, khesinite, mesaite, norilskite, plavnoite, raygrantite...the 1990s at the Geschieber vein in the Svornost mine (10th level), Jáchymov, Western Bohemia, Czech Republic...crystalline crust composed of thin, pale to sulfuric yellow, bladed or acicular prismatic crystals up to 0...formed due to alteration of uraninite during post-mining processes. Crystals are elongated on [001] and...luster is vitreous to pearly and the streak is pale yellow. Ježekite fluoresces bright greenish white under |  | | Journal (article/letter/editorial) | | V10 As6 O51)2·78H2O Packrat mine, near Gateway, Mesa Co., Colorado, USA (38º38’51.28’’N, 109º02’49.77’’W)...Natural History Museum of Los Angeles County, Los Angeles, California, USA, catalogue numbers 64149, 65554...2014-092 Karpenkoite Co3(V2O7)(OH)2·2H2O Little Eva mine, Yellow Cat District, Grand Co., Utah, USA (38º50’17’’N...Vigasina, M.F., Zorzi, F. and Thorne, B. (2015) Karpenkoite, IMA 2014-092. CNMNC Newsletter No. 24, April...Bosiite NaFe3+ 3 (Al4Mg2)(Si6O18)(BO3)3(OH)3O Darasun mine, Transbaikalia, Eastern-Siberian Region, Russia |
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Little Eva Mine, Yellow Cat Mesa, Thompsons Mining District, Grand County, Utah, USA