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Lemoynite

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CFL829254

Lemoynite

Type Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 9.5 × 6 cm
Description

Rich type locality specimen of lemoynite and/or natrolemoynite crystals associated with albite and ferroceladonite.  Pointers were added on one of the images to indicate the position of some of the numerous sprays (at least six).

This is the largest specimen of these species we have for sale.

The two species cannot be visually distinguish from each other and can coexist on the same specimen.  Lemoynite is found in three localities worldwide, two of them in Quebec Province, Canada.  Natrolemoynite is found in two localities worldwide.  Collected by Gilles Haineault in 2017.

Mineral Data
What's on the rock

Lemoynite

Formula: 
(Na,K)2CaZr2Si10O26·5H2O
Strunz: 
9.DP.35
Hardness: 
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

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