Mineralpedia Details for Parisite-(Ce)

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Parisite-(Ce)

Named in honor of J.J. Paris, a former Manager of the emerald mine at Muzo in Columbia and for its Cerium content. Parisite is an uncommon mineral found in many minor localities and more prominent localities in Columbia, the United States, Canada, Norway, France, Italy, Wales, Russia, Malawi, Madagascar, the Democratic Republic of the Congo, Japan, China, and Vietnam. Parisite forms as an accessory mineral in alkalic massif, granite pegmatites, and rare-earth rich carbonatites. Parisite can produce a dark red cathodoluminescence.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/parisite-(Ce).pdf

Formula: CaCe₂(CO₃)₃F₂
Crystal System: Trigonal
Crystal Habit: Acicular, Striated, Prismatic
Cleavage: Distinct, None, None
Luster: Vitreous - Greasy
Color: brown, brownish yellow, grayish yellow, yellow
Streak: white
Class: Trigonal - Pyramidal
Fracture: Brittle
Hardness: 4.5
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Parisite-(Ce) from Snowbird mine, Lola Pass, Mineral Co., Montana, United States

Conical shaped dark red crystal to 2.1cm. The Snowbird mine is a carbonate rich pegmatite and one of the few Parisite localities in the USA. A locality article was written by R. Lasmanis in 1977 in the MR 8-2.