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Mineralpedia Details for Elpidite

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Elpidite

Elpidite

Formula
Na2ZrSi6O15ยท3H2
Crystal System
Orthorhombic 
Crystal Habit
Fibrous 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, yellow brown, white, light red 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
WebMineral
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Mindat
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Elpidite from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada

Elpidite
            from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada

An bundle of long greenish gray crystals to 2mm.

Click thumbnail images for larger view.

Elpidite from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada

Elpidite
            from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada

A great, large crystal group of greenish, prismatic Elpidite with crystals to 3cm. Associated with Leifite.

Click thumbnail images for larger view.

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