Uraninite var. Pitchblende: Schwartzwalder mine, Ralston Buttes, Jefferson County, Colorado USA

Species: Uraninite var. Pitchblende

Locality: Schwartzwalder mine, Ralston Buttes, Jefferson County, Colorado USA

Dimensions: 3.6 x 2.8x 1.7 cm, 46 grams

160K CPM

Ex. Hal Miller Collection

Impressive, totally solid specimen of waxy black Uraninite var. Pitchblende from the famous Schwartzwalder mine, Ralston Buttes, Jefferson County, Colorado USA. For this locality, specimens like this are extremely rare! Measures ~160,000 CPM on my Ludlum Model 3 Counter with the 44-9 “pancake” probe. Rare!

SKU: A290l

$250.00

Out of stock