A juicy orange chunk fell to the floor, packed with vitamins and minerals absorbed from Mother Nature herself! Pink Calcite is a variety of Calcite. It is a calcium carbonate mineral that usually crystallizes in large mass formations. The pink color is caused by tiny inclusions of Manganese, which can range from a light white pink, to an extremely bold almost violet. Under UV light it emits a radiant pink and is highly soft after due to its fluorescent capabilities