Phurcalite, Antlerite: Posey mine, Red Canyon, San Juan Co., Utah USA

Description

Species: Phurcalite, Antlerite

Locality: Posey mine, Red Canyon, San Juan Co., Utah USA

Size: 17 x 14 x 2.2 cm.

A vibrantly-colored, very large, rich specimen of the rare secondary uranium mineral phurcalite with green antlerite from the Posey mine, Red Canyon, San Juan Co., Utah USA. Measures ~50,000 CPM on my Ludlum model 3 survey meter with the 44-9 probe. Rare!