DIRK WIERSMA / SCIENCE PHOTO LIBRARY DIRK WIERSMA / SCIENCE PHOTO LIBRARY
Rhodochrosite mineral. Rhodochrosite is a manganese carbonate mineral that is a rose-red colour when pure, as here. It is mined as a source of manganese, and also for jewellery. This sample measures 40 millimetres across.
Model release not required. Property release not required.