Ex. Mark Wilson Collection
Large, rich specimen of a very complex, interesting assemblage of REE and U/Th minerals from an unusual Colorado locality. Measures ~50,000 CPM on my Ludlum Model 3 Geiger Counter with the 44-9 probe. Rare!!
$150.00
In stock
Species: Gummite, Uraninite, Zircon
Locality: Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
Size: 6.1 x 1.8 x 3.5 cm, ~100 grams
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Species: Thorite, Thorogummite, Zircon
Locality: Seerie pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
Size: 16.2 x 10.3 x 7.4 cm
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Species: Uranopyrochlore, Zircon
Locality: McDonald Mine, Foley Township, Parry Sound District, Ontario, Canada
Size: 7.6 x 4.3 x 8.8 cm
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Species: Thorite, Thorogummite, Zircon
Locality: Seerie pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
Size: 13.5 x 12.0 x 10.2 cm
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