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Natrolite Marcasite

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CFL638097

Natrolite Marcasite

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.5 × 3.3 cm
Weight: 
60.00gr
Description

Rare specimen of groups of natrolite crystals perched upon marcasite.  The marcasite is pseudomorphed after an unidentified species.  Ex-Ecole Polytechnique (Montreal University) specimen.

Mineral Data
What's on the rock

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

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