Bloodstone (also known as heliotrope) is from India and in slab or slice form will contain at least five square inches for one order. (Stock 225s) These green chalcedony slabs with red inclusions of iron oxide has long been a favorite gemstone. Bloodstone is an excellent choice for jewelry items such as crosses, cabochon jewelry and more. Quality bloodstone is rare! The India bloodstone slab material is of high quality with a nice contrast of colors of medium to dark green with red iron oxide dots, and may contain small amounts of other colors such as bluish green and greenish yellow.