Rhodochrosite

My parents got this from Earth Resources around graduation time. Again, great color.
Andrew Alden from about.com facts below.
Rhodochrosite is a cousin of calcite, but where calcite has calcium, rhodochrosite has manganese (MnCO3).)
Rhodochrosite is also called raspberry spar. The manganese content gives it a rosy pink color, even in its rare clear crystals. Rhodochrosite can have a banded habit, but it also takes the botryoidal habit. The crystals of rhodochrosite are mostly microscopic. Rhodochrosite is far more common at rock and mineral shows than it is in nature.