Solid specimen of waxy black Samarskite-(Y) from Boulder County, Colorado, USA. If this did not come from a very prominent Boulder County collection I would doubt the provenance! Very rare locality specimen. Measures ~30,000 CPM on my Ludlum Model 3 with the 44-9 pancake probe. Rare!!
$150.00
In stock
Species: Samarskite-(Y)
Locality: Black Cloud Pegmatite, Divide, Teller County, Colorado, USA
Size: 8.4 x 5.9 x 3.8 - 332 grams
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Species: Samarskite-(Y)
Locality: Ampangabé pegmatite, Miandrarivo, Faratsiho, Vakinankaratra, Madagascar
Size: 1.5 x 1.5 x 1.4 cm
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Species: Samarskite-(Y)
Locality: Oregon #3 Pegmatite, South Platte District, Jefferson Co., Colorado USA
Size: 3.4 x 2.9 x 2.2 cm, 54 grams
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Species: Columbite-(Fe), Samarskite-(Y)
Locality: Spinelli prospect, Glastonbury, Hartford County, Connecticut, USA
Size: 7.6 cm x 5.8 cm x 4.8 cm, 364 grams
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