Carnotite, Tyuyamunite: Big Indian Wash, San Juan Co., Utah USA

Description

Species: Tyuyamunite, Carnotite

Locality: Big Indian Wash, San Juan Co., Utah USA

Dimensions: 13.5 x 9.5 x 3.5 cm.

A nice large specimen of rich yellow Tyuyamunite and Carnotite  from the Big Indian Wash, San Juan Co., Utah USA. Measures ~60,000 CPM on my Ludlum model 3 survey meter with the 44-9 probe. Ex. Mount Holyoke College (Massachusetts) with a vintage label. Rare!