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Reederite-(Y)

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CFL1073147

Reederite-(Y)

Type Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.1 × 0.1 × 0.1 cm
Description

Very rare co-type locality specimen of a gemmy reederite-(Y) (ref. mindat min-3381) crystal fragment.  Reederite-(Y)  is unique to the Poudrette Quarry.  Collected by Gilles Haineault in 1992.  Ex-Gilles Haineault collection specimen.

Mineral Data
What's on the rock

Reederite-(Y)

Formula: 
(Na,Mn)15Y2(CO3)9(FSO3)Cl
Strunz: 
5.BF.20
Crystal System: 
Hexagonal
Hardness: 
3.0 - 3.5
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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