Uraninite var. Pitchblende: Continental mine, Powder River Basin, Wyoming, USA

Description

Species: Uraninite var. Pitchblende

Locality: Continental mine, Powder River Basin, Wyoming, USA

Size: 5.7 x 4 x 3.4 cm. (154 grams)

Ex. Jack Nieburger Collection

A near-solid specimen of high-grade uranium ore, cut on one face, from an unusual and remote Wyoming locality. Very nice example of this uncommon material. Quite HOT too, measuring ~220,000 CPM on my Ludlum Model 3 counter with the 44-9 probe. Rare!