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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