Carnotite and other uranium minerals from unknown location. 50k CPM on Ludlum Model 3 with 44-9 probe. 42 grams. 2.2inx1.1inx1.1in
Carnotite and other uranium minerals from unknown location. 50k CPM on Ludlum Model 3 with 44-9 probe. 42 grams. 2.2inx1.1inx1.1in
