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Tuperssuatsiaite & Haineaultite

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CFL807879

Tuperssuatsiaite & Haineaultite

Type Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 1.5 cm
Description

Uncommon type locality specimen of very small haineaultite crystals associated with fibrous tuperssuatsiaite, arfvedsonite, quartz and pyrite in a pectolite rich matrix.  This specimen is very rich in tuperssuatsiaite which occurs very rarely at this locality.  The tuperssuatsiaite sprays are covered with microcrystals of pyrite.  Collected by Gilles Haineault in 2000.

Mineral Data
What's on the rock

Tuperssuatsiaite

Formula: 
Na2Fe3Si8O20(OH)2·4H2O
Strunz: 
9.EE.20
Hardness: 
0.0
Type Locality: 
Tuperssuatsiat Bay, Tunulliarfik Fjord (Tunugdliarfik), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Haineaultite

Formula: 
(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8·5H2O
Strunz: 
9.DG.50
Hardness: 
3.0 - 4.0
Streak: 
white
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

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