One Red Natural Apatite Crystal Bearing Naturally Occurring Thorium
Size: 37x21x23mm
Weight: 44 Grams
Formula: Ca5(PO4)
Locality: Smart Mine, Miller property, Sebastopol Township, Bonnechere Valley, Renfrew County, Ontario, Canada
The Radiacode 103 spectrum was performed on this specimen using our stainless steel-wrapped lead pig as shielding and it measured an average of 75CPM with a background average of 31CPM.
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