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: 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: Gummite, Uraninite, Zircon
Locality: Spruce Pine Mining District, North Carolina, USA
Size: 4.7 x 3.7 x 2.4 cm, 56 grams
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Species: Columbite-(Mn), Parsonsite, Zircon
Locality: Mica Lode Mine, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
Size: 15.5 x 12.4 x 5 - 2,316 grams
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Species: Calcite, Uranopyrochlore, Zircon
Locality: MacDonald Mine, Monteagle Township, Hastings Highlands Municipality, Hastings County, Ontario, Canada
Size: 13.6 x 9.5 x 5.4 cm
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