Rauvite, Carnotite, Tyuyamunite & Metahewiettite - Uravan Mineral Belt, Western Colorado, USA

CaV₆O₁₆ · 3H₂O   K₂(UO₂)₂(VO₄)₂ · 3H₂O   Ca(UO₂)₂(V₁₀O₂₈) · 16H₂O Ca(UO2)2V2O8·(5-8)H2O

Here is quite the mix of minerals. Rauvite, Carnotite, Tyuyamunite & Metahewiettite all together in a single specimen from the Uravan Mineral Belt, Western Colorado, USA.

Approx. activity: 3500 cpm

Approx. size: 20mm x 20mm x 5mm