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Analcime & Chamosite & Sphalerite

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CFL782266

Analcime & Chamosite & Sphalerite

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6.5 × 6.5 cm
Description

Typical specimen of analcime crystals included with chamosite, and associated with honey coloured sphalerite crystals embedded in matrix.  Collected by Gilles Haineault.

Mineral Data
What's on the rock

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy

Chamosite

Formula: 
(Fe2+,Mg)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
3.0
Type Locality: 
Haut de Cry, Chamoson, Wallis (Valais), Switzerland

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

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