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
More details...