One Red Natural Apatite Crystal Bearing Naturally Occurring Thorium
Size: 36x25x19mm
Weight: 33 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 lead shielding and it measured an average of 121CPM in a background average of 30CPM.
Thorium doping occurs when calcium atoms of the apatite are naturally replaced by thorium.
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