Uraninite var. Pitchblende, Chalcopyrite (mined 1896!): Kirk Mine, Quartz Hill, Central City Mining District, Gilpin County, Colorado, USA
Species: Uraninite var. Pitchblende, Chalcopyrite (mined 1896!)
Locality: Kirk Mine, Quartz Hill, Central City Mining District, Gilpin County, Colorado, USA
220K CPM
Dimensions: 5.2 x 3.1 x 3.9 cm, 140 grams
Ex. Hal Miller Collection
SKU: A292i