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Yofortierite

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GMN635128

Yofortierite

Description Tabs

Description
Locality: 
Mont Saint-Hilaire, Montérégie, Québec, Canada
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 1.5 cm
Description

Reddish brown patches, and veinlets of asbestiform aggregetes of acicular crystals.

Mineral Data
What's on the rock

Yofortierite

Formula: 
Mn5Si8O20(OH)2·8-9H2O
Strunz: 
9.EE.20
Hardness: 
0.0
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

Seller Information

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