Large Uranium Minerals

Very Heavy and Moderately Radioactive Mineral of  Unknown Composition

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Very Heavy and Moderately Radioactive Mineral of  Unknown Composition

Description and Surface Radioactivity: Extremely large and heavy specimen of some type of radioactive mineral (perhaps Thorite?) in matrix from an unknown location. 

Size: 29  x  17  x  8 cm.  Weight: 6000 grams (about 14 pounds)

Surface Radioactivity: 2600 CPM and .75 mR/hr on a Ludlum Model 3 detector with a 44-9 probe placed at the surface of the specimen.   

Price: $500. Shipping: $30.

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