Mineralpedia Details for Uvanite

Named for its compositional constituents uranium (u) and vanadium (van). Uvanite occurs in Colorado Plateau-type uranium deposits, at its type locality, Temple Rock, Utah, USA, specifically in asphaltic sandstone. Uvanite can be found in only three countries worldwide, additionally including Argentina and Slovenia.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/uvanite.pdf

Formula

U⁶⁺₂V⁵⁺₆O₂₁*15(H₂O) 

Crystal System

Orthorhombic 

Crystal Habit

Granular 

Cleavage

Good, Good, None 

Color

brownish yellow 

Streak

light yellow 

Class

Orthorhombic 

Hardness

- 

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Mindat

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