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Jul 1, 2001 · Ekatite, ideally (Fe 3+, Fe 2+, Zn) 12 (OH) 6 [AsO 3] 6 [AsO 3 HOSiO 3] 2, is a new mineral from Tsumeb, Namibia. It is associated with chalcocite and occurs as small sprays of fine needles, up to 2 mm long and less than 0.2 mm in diameter. Ekatite is brownish black, translucent with a brown streak and vitreous lustre.
Ekatite : Keller P : European Journal of Mineralogy 13 (2001) 769-777: Ekatite, (Fe3+,Fe2+,Zn)12(OH)6[AsO3]6[AsO3,HOSiO3]2, a new mineral: from Tsumeb, Namibia, and its crystal structure: Locality: Tsumeb, Namibia _database_code_amcsd 0006895: 12.773 12.773 5.051 90 90 120 P6_3mc: atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
2113 Australia mal.southwood@bigpond.com EKATITE Tsumeb, Namibia M any mineral collectors place great... Rarity can be hard to quantify! The Tsumeb mine , in northern Namibia , is the type locality for no less ... species, roughly half of which remain unique to Tsumeb .
ekatite ( mineralogy ) A hexagonal-dihexagonal pyramidal brownish black mineral containing arsenic , hydrogen , iron , oxygen , silicon , and zinc . References
PE Ekatite = 34.84 barns/electron U=PE Ekatite x rElectron Density= 134.00 barns/cc. Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute ...
Ekatite mineral data, information about Ekatite, its properties and worldwide locations.
Ekatite, ideally (Fe3+,Fe2+,Zn)12(OH)6[AsO3]6[AsO3,HOSiO3]2, is a new mineral from Tsumeb, Namibia. It is associated with chalcocite and occurs as small sprays of fine needles, up to 2 mm long and ...