Snowbird Mine, Fish Creek, Alberton, Mineral County, Montana
Miniature - 3.7 x 1.5 x 1.3 cm
8.7 grams
Weakly radioactive
Specimen status: Available
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An opaque and brown parisite-(Ce)
crystal with tapered but rough (contacted) form.
Parisite-(Ce) is a calcium cerium fluorocarbonate - CaCe2 (CO 3 ) 3 F 2 .
This sample's radioactivity is caused by partial
substitution of thorium (or maybe uranium) for cerium. An
ugly yet representative sample for the species/locality.
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