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Perraultite

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SYM877528

Perraultite

Type Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 1.3 cm
Description

Single light brown perraultite crystal on the matrix. 

Mineral Data
What's on the rock

Perraultite

Formula: 
BaNaMn2+4Ti2 (Si2O7)2O2(OH)2F
Strunz: 
9.BE.67
Crystal System: 
Monoclinic
Hardness: 
6.5 - 4.0
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