Uraninite var. Pitchblende: Happy Jack Mine, White Canyon Mining District, San Juan County, Utah, USA

Species: Uraninite var. Pitchblende

Locality: Happy Jack Mine, White Canyon Mining District, San Juan County, Utah, USA 

Dimensions: 4.1 x 3.3 x 3 cm, 60 grams

100K CPM

Ex. Hal Miller Collection

Nearly solid specimen of dense black Uraninite var. Pitchblende from the Happy Jack Mine, White Canyon Mining District, San Juan County, Utah, USA. Measures ~100,000 CPM on my Ludlum Model 3 Counter with the 44-9 probe. Unusual locality! Rare!