General Information:
Chemical Formula:
UO4·4(H2O)
Composition:
(Molecular Weight = 374.09 gm)
Uranium 63.63 % U
Hydrogen 2.16 % H
Oxygen 34.22 % O
Empirical Formula:
UO4·4(H2O)
Locality:
Zaire at Shinkolobwe, Shaba.
Name Origin:
Named for Franz Edward Studt, Belgian prospector and geologist, author of the first geological map (19130 of Shava, Zaire.
Physical Properties:
Cleavage:
None
Color:
yellow or white yellow.
Density:
3.64
Habits:
Encrustations - Forms crust-like aggregates on matrix., Acicular - Occurs as needle-like crystals.,
Hardness:
1-2 - Between Talc and Gypsum
Luminescence:
Non-fluorescent.
Streak:
light yellow
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