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Aragonite from the Salsigne mine, Aude department, France (2006).
Aragonite is a mineral of the carbonate class. Its chemical formula is CaCO₃ (calcium carbonate).
Colour: white. Hardness: 3.5 to 4 on the Mohs scale. Density: approximately 2.93 g/cm³.
This item is fixed with a flexible mastic to the base of a Plexiglas box measuring L 40mm x W 40mm x H 32mm.
