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Sphalerite Analcime & Chamosite

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CFL770807

Sphalerite Analcime & Chamosite

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 6.5 cm
Description

Uncommon specimen of pale green gemmy sphalerite crystals associated with analcime included by chamosite, and siderite.  Collected by Gilles Haineault.

Mineral Data
What's on the rock

Sphalerite

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

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

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