Rhodochrosite - Definition and Overview

Rhodochrosite from Quirivilca, La Libertad, Peru.

Rhodochrosite is a carbonate mineral with chemical composition MnCO₃. It has a rose-red colour, its hardness varies between 3.5 and 4.5. It crystallizes in the trigonal system.

Main use is as source for manganese, but some jewelry is made from it, especially in Argentina.

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