Coke Calcite tumbled stones, have rich deep warming colors.Calcite gemstone are believed to help you let go of the past, and move into the future. Also believed to assist with emotional healing, stimulate flow of energy, as well as release blockage from creativity, combat laziness and help to increae vitality. Each gemstone, has their own unique colors patterns, beauty and faults. sold by approximate weight, not size or shape of stone.