Tyuyamunite - Ridenour mine, Coconino County, Arizona, United States

Ca(UO₂)₂(VO₄)₂ · 5-8H₂O

A great specimen of Tyuyamunite and Tengerite from the Ridenour mine, Coconino County, Arizona, United States. Specimens from this locale are not often seen as collecting is now prohibited at this locality. 

Approx specimen size: 27mm x 20mm x 10mm

Approx specimen activity: 6500 cpm