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Bussyite-(Y) Cappelenite-(Y) & Niobokupletskite

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CFL1073061

Bussyite-(Y) Cappelenite-(Y) & Niobokupletskite

Type Locality

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Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 1.2 cm
Description

Rare co-type locality specimen of bussyite-(Y) (ref. minda min-46442) crystals associated with type locality niobokupletskite (ref. mindat min-7098), and cappelenite-(Y) (ref. mindat min-889).   Bussyite-(Y) is unique to the Poudrette Quarry, and niobokupletskite is found at only two localities worldwide.  Collected by Gilles Haineault in 2004.  Ex-Gilles Haineault collection specimen.

Mineral Data
What's on the rock

Bussyite-(Y)

Formula: 
(Y,REE,Ca)3(Na,Ca)6MnSi8Be6(O,F,OH)34
Hardness: 
0.0
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

Cappelenite-(Y)

Formula: 
Ba(Y,Ce)6Si3B6O24F2
Strunz: 
9.AJ.30
Hardness: 
6.0 - 6.5
Type Locality: 
Natrolittodden, Vesle Arøya, Langesundsfjorden, Larvik, Vestfold, Norway

Niobokupletskite

Formula: 
K2Na(Mn,Zn,Fe)7(Nb,Zr,Ti)2Si8O26(OH)4(O,F)
Strunz: 
9.DC.05
Crystal System: 
Triclinic
Hardness: 
3.0 - 4.0
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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