Excellent specimen of well-formed brownish crystals of Zircon var. Cyrtolite from the Butterfield pegmatites, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA. Measures ~75,000 CPM on my Ludlum Model 3 Counter with the 44-9 probe due to high Thorium content. Rare!
$220.00
In stock
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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Species: Thorite, Zircon
Locality: South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
Size: 5.9 x 4.9 x 2.5 cm, 126 grams
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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: Uraninite, Zircon
Locality: Spruce Pine Mining District, North Carolina, USA
Size: 7.7 x 4.7 x 3.4 cm, 182 grams
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