Mixed Uranium Minerals

$100.00
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Sandstone with uranium minerals. Entire piece is radioactive. This piece weighs about 6.5 ounces. 25k CPM on Ludlum Model 3 with 44-9 probe.

Sandstone with uranium minerals. Entire piece is radioactive. This piece weighs about 6.5 ounces. 25k CPM on Ludlum Model 3 with 44-9 probe.