General Information:
Chemical Formula:
(H3O,Ba,Ca,K)1.6(UO2)2V2O8·4(H2O) (?)
Environment:
In the oxidation zone in sandstone.
IMA Status:
Discredited IMA 1968
Locality:
Russia.
Name Origin:
Named for the composition.
Physical Properties:
Cleavage:
[100] Perfect
Color:
intense yellow.
Density:
3.644
Habits:
Encrustations - Forms crust-like aggregates on matrix., Platy - Sheet forms (e.g. micas)., Pseudo Hexagonal - Crystals show a hexagonal outline.
Hardness:
2 - Gypsum
Streak:
light yellow
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