Uvanite

uvanite

rauvite

carnotite

Images

Formula: (UO2)2V5+6O17.15H2O (?)
Vanadium oxysalt
Streak: Light yellow
Colour: Brown-yellow; pale brown in transmitted light
Solubility: Insoluble in water. Soluble in ammonium carbonate solution.
RADIOACTIVE
Environments

Sedimentary environments

Uvanite is a secondary mineral occurring in a Colorado Plateau-type uranium deposit in asphaltic sandstone. Associated minerals include carnotite, rauvite, hewettite, metatorbernite, gypsum and opal-AN (HOM).

Localities

At the type locality, Temple Mountain, San Rafael Mining District, Emery County, Utah, USA, uvanite occurs in asphaltic sandstone as crystalline coatings and also massive. Associated minerals include rauvite, opal-AN, metatorbernite, hewettite, gypsum and carnotite (Mindat).

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