Color : Green with red inclusions
Bloodstone or heliotrope, is a form of Chalcedony, a cryptocrystalline quartz. Bloodstone is green jasper with red inclusions. The red is sometimes caused by iron oxide or red jasper. Origin of name: From the red spots looking like spots of blood. It is usually cut "en cabochon" (that is shaped and polished usually with a flat bottom and a convex top) or into beads, it is used as a sealstone and in signet rings. Bloodstone is found in Australia, Brazil, China, India and the USA (Wyoming).