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Petarasite

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JYJ76218

Petarasite

ex. R. Feigl

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2.5 × 2 cm
Description

A good paragenesis example of petarasit from Mount Saint-Hilaire. The brownish fibres could aegirine. Purchased from Wilke 30/03/1982.

Mineral Data
What's on the rock

Petarasite

Formula: 
Na5Zr2(Si6O18)(Cl,OH)·2H2O
Strunz: 
9.CJ.40
Hardness: 
5.0 - 5.5
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada