Uraninite var. Pitchblende: San Juan County, Utah, USA

Description

Species: Uraninite var. Pitchblende

Locality: San Juan County, Utah, USA

Size: 3.9 x 1.1 x 4.8 cm. (54 Grams)

Ex. Jack Nieburger Collection

A near-solid specimen of high-grade uranium ore (uraninite), from southern Utah. Very nice example of this increasingly uncommon material. Quite HOT too, measuring ~180,000 CPM on my Ludlum Model 3 counter with the 44-9 probe. Rare!