Voglite

General Information:
 Chemical Formula:
Ca2Cu(UO2)(CO3)4·6(H2O)
 Composition:
(Molecular Weight = 761.86 gm)
Calcium 10.52 % Ca
Uranium 31.24 % U 
Copper 8.34 % Cu
Hydrogen 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 green
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