Species: Uraninite var. Pitchblende
Locality: Happy Jack Mine, White Canyon Mining District, San Juan County, Utah, USA
Dimensions: 8.2 x 5.5 x 4.2 cm.
Ex. Bob Werner Collection
Very rich specimen of Uraninite var. Pitchblende with minor chalcocite from the famous Happy Jack Mine, White Canyon Mining District, San Juan County, Utah, USA. Very “hot” specimen of high-grade uranium ore from one of Utah’s most famous uranium mines, measuring ~150,000 CPM 0n my Ludlum Model 3 Counter. Rare!