Mineralpedia Details for Haineaultite
Haineaultite
- Formula
- (Na,Ca)5Ca(Ti,Nb)5Si12O34(OH,F)8ยท5H2O
- 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
- WebMineral
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Haineaultite from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, 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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