These are single rock samples in the 10,000 to 19,000 CPM range on Ludlum Model 3 with 44-9 probe.. These medium activity samples are excellent for beginner collectors or as an inexpensive radiation source. These samples are random samples. These samples often contain carnotite or uraninite that have been cut from larger samples. You will receive one random rock. The pictures are a general representation.
These are single rock samples in the 10,000 to 19,000 CPM range on Ludlum Model 3 with 44-9 probe.. These medium activity samples are excellent for beginner collectors or as an inexpensive radiation source. These samples are random samples. These samples often contain carnotite or uraninite that have been cut from larger samples. You will receive one random rock. The pictures are a general representation.
