Radioactive sandstone
$30.00
Radioactive sandstone from Southern Utah. 3x2.5x0.5 inch. 2.6 ounces. 10k CPM on Ludlum Model 3 with 44-9 probe.
Radioactive sandstone from Southern Utah. 3x2.5x0.5 inch. 2.6 ounces. 10k CPM on Ludlum Model 3 with 44-9 probe.
Radioactive sandstone from Southern Utah. 3x2.5x0.5 inch. 2.6 ounces. 10k CPM on Ludlum Model 3 with 44-9 probe.