40mm Oval Rhodochrosite Cabochon
This is a beautiful, 40mm x 30mm x 9mm oval rhodochrosite cabochon.
Rhodochrosite is a manganese carbonate mineral with them chemical composition MnCO3. The crystals typically have a pink-red coloration and cleaves with rhombohedral cleaving in three directions. It forms from hydrothermal pockets and can be found as both crystals and in banded formations.