Description
Species: Uraninite, Dolomite, Quartz
Locality: Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
Dimensions: 7 cm x 6 cm x 4.5 cm
Excellent large, very rich, “textbook” Jáchymov uranium ore specimen featuring a thick band of black uraninite variety pitchblende surrounded by dolomite and quartz. Measures ~130,000 CPM on my Ludlum Model 3 Counter with the 44-9 probe. Eric Quinter specimen U/Th 0093, pictured on mindat.org. Nice!








