Carletonite, Calcite, Feldspar Group
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Aggregate of very sharp prismatic tetragonal Carletonite crystals, some of them more isolated than usual, whose color is unusually intense, deep and uniform. They are on a Calcite matrix and partially coated by small, white, Feldspar crystals. The three minerals have been analyzed.
Poudrette Quarry, Mont Saint-Hilaire, Rouville County, ...
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