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Peatite-(Y) & Ramikite-(Y) & Donnayite-(Y)

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CFL775639

Peatite-(Y) & Ramikite-(Y) & Donnayite-(Y)

Type Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.2 × 2.2 cm
Description

Uncommon type locality specimen of peatite-(Y)  and ramikite-(Y) microcrystals associated with type locality species donnayite-(Y).  Collected by Gilles Haineault.

Mineral Data
What's on the rock

Peatite-(Y)

Formula: 
Li4Na12Y12(PO4)12(CO3)4(F,OH)8
Hardness: 
3.0 - 0.0
Colour: 
Pale pink
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

Ramikite-(Y)

Formula: 
Li4(Na,Ca)12Y6Zr6(PO4)12(CO3)4O4[(OH),F]4
Hardness: 
3.0 - 0.0
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

Donnayite-(Y)

Formula: 
NaCaSr3Y(CO3)6·3H2O
Strunz: 
5.CC.05
Hardness: 
3.0
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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