The color comes from manganese impurities in the mineral
and inner growth
Tumbled phantom amethyst has beautiful phantom chevrons throughout
Luster: Dalmatian stone typically has a vitreous to greasy luster
it may appear translucent
Calcite Spheres (Blue) Madagascar - 25 pounds* Green The color comes from manganesePolished Blue Calcite Spheres. Various sizes. No requests. MAY have minor imperfections like dents, dings, chips and or scratches. Locality: Madagascar * Requires 40lbs of shipping space Color: Calcite can occur in a variety of colors including white, colorless, gray, yellow, green, blue, orange, red, brown, black, and sometimes multicolored due to impurities. Hardness: Calcite has a Mohs hardness of 3, which means it is relatively soft compared to