Voglite

General Information: Chemical Formula:Ca2Cu(UO2)(CO3)4·6(H2O) Composition:(Molecular Weight = 761.86 gm)Calcium 10.52 % CaUranium 31.24 % U Copper 8.34 % CuHydrogen 1.59 % H Carbon 6.31 % C Oxygen 42.00 % O  Empirical Formula: Ca2Cu(UO2)(CO3)4·6(H2O) Environment:Alteration product of uraninite. Locality:Elias mine near Joachimstal, Bohemia, Czech Republic. Name Origin:Named for Josef Florian Vogl, Austrian mining official and mineralogist, who described the compound and published on uranium mines and minerals of Jachymov, Czech Republic.Physical Properties: Cleavage:[010] Perfect Color:emerald green or bright grass green. Density:2.8 Diaphaniety:Transparent to translucent Habits:Scaly - Morphology like fish scales., , Luminescence:Fluorescent, Short UV=green. Luster:Vitreous - Pearly Streak:pale greenMore details...