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Haineaultite with Fluorite & Natrolite

#59285

Haineaultite with Fluorite & Natrolite

#59285
Availability
Sold
Size
6.5 x 4.5 x 2 cm - Sm Cabinet 
Formula
(Na,Ca)5Ca(Ti,Nb)5Si12O34(OH,F)8·5H2O (RRUFF)
Locality
Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada

Honey colored prismatic crystals of Haineaulite with square, orthorhombic cross-sections to 2mm associated with purple Fluorite and white or colorless Natrolite.

Haineaultite is a very rare niobium-titanium silicated found only at MSH. This is a very good specimen.

Type & Only Locality

Haineaultite

Formula
(Na,Ca)5Ca(Ti,Nb)5Si12O34(OH,F)8·5H2
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 

Data courtesy of Webmineral.

Special Info
Type & Only Locality

Other Sold

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