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Mineralpedia Details for Haineaultite

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Haineaultite

Haineaultite

Formula
(Na,Ca)5Ca(Ti,Nb)5Si12O34(OH,F)8ยท5H2
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Fan Shaped 
Cleavage
Distinct, Distinct, Distinct 
Luster
Vitreous (Glassy) 
Color
pale brown, brown, orange yellow 
Streak
white 
Class
Orthorhombic - Disphenoidal 
Fracture
Brittle - Splintery 
Hardness
3-4 
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Haineaultite from Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada

Haineaultite
            from Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada
Special Info
Type & Only Locality

At least five excellent light yellow orthorhombic prisms with square outline. Very good mirco crystals, easily seen. This is the type and only locality in the world.

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