Vanuranylite

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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