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: Zircon
Locality: MacDonald Mine, Monteagle Township, Hastings Highlands Municipality, Hastings County, Ontario, Canada
Size: 4.1 x 2.9 x 1.3 cm
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Species: Zircon
Locality: Butterfield pegmatites, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
Size: 8.9 x 5.8 x 2.6 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: Columbite-(Fe), Zircon
Locality: Kinkel Quarry, Bedford, Westchester County, New York, USA
Size: 3.9 x 3.2 x 2.3 cm
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