Rhodochrosite

Posted on June 30, 2014 by John Bradshaw, GG (GIA)

Rhodochrosite is manganese carbonate (MnCO3). It forms a solid solution series with siderite (FeCO3) with iron substitution and with calcite (CaCO3) with calcium substitution. The name is from the Greek meaning “rose colored.” Rhodochrosite is…

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