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Stillwellite-(Ce)

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BCK545574

Stillwellite-(Ce)

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 0.8 × 0.8 cm
Description

You are bidding on a very rare sample of stillwellite-Ce from the Poudrette Quarry. Several vugs host tiny pink clusters of the mineral with elpidite(?) and unknown clusters of beige micaceous crystals that would probably provide interesting analysis. These beige crystals were only present after splitting the specimen. Stillwellite is extremely rare at MSH. 

Mineral Data
What's on the rock

Stillwellite-(Ce)

Formula: 
(Ce,La,Ca)BSiO5
Strunz: 
9.AJ.25
Hardness: 
0.0
Type Locality: 
Mary Kathleen Mine, Mary Kathleen district, Mount Isa - Cloncurry area, Queensland, Australia

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