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Lecoqite-(Y) & Petersenite-(Ce)

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SYM1068886

Lecoqite-(Y) & Petersenite-(Ce)

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: 
3 × 2 × 0.7 cm
Description

White crystals of lecoqite-y with light green petersenite-ce on the matrix. 

Mineral Data
What's on the rock

Lecoqite-(Y)

Formula: 
Na3Y(CO3)3·6H2O
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

Petersenite-(Ce)

Formula: 
Na4(Ce,La,Nd)2(CO3)5
Strunz: 
5.AD.15
Crystal System: 
Monoclinic
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