Very rich specimen of black uraninite in hematite-stained gneiss matrix from the Aubrey – Ladwig Mine, Ralston Buttes Mining District, Jefferson County, Colorado, USA. Good specimen for this very uncommon and obscure Colorado front range locality. Measures ~80,000 CPM on my Ludlum Model 3 Counter with the 44-9 probe. Rare!
$140.00
In stock
Species: Uraninite, Zippeite
Locality: Pick's Delta Mine, San Rafael Swell Mining District, Emery County, Utah, USA
Size: 3.4 x 2.3 x 2.1 cm, 18 g
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Species: Gummite, Uraninite
Locality: Biermann Quarries, Bethel, Fairfield County, Connecticut, USA
Size: 1.6 x 1.3 x 0.8 cm
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Species: Meta-Autunite, Uraninite
Locality: Bell pit, Newry, Oxford County, Maine, USA
Size: 3.1 x 2.4 x 2.0 cm
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Species: Chalcocite, Uraninite
Locality: Radium King Mine, Red Canyon Mining District, San Juan County, Utah, USA
Size: 8.8 x 5.2 x 4.1 cm, 292 grams
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