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Lalondeite: (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2·3(H2O)
Comments: Vein of pinkish lalondeite with a greenish clinoamphibole in altered breccia. Location: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Scale: Picture size 3 cm. © Canadian Mineralogist