Green jasper bloodstone, also known as heliotrope, is a mineral that's a combination of quartz and jasper. It's a dark green gemstone with red spots of iron oxide that can appear as flecks or resemble bloodstains. When held up to the light, it can also have blue and green hues.The mineral aggregate heliotrope from Ancient Greek ????? 'sun', and ??????? (trépein) 'to turn', also called Indian bloodstone or ematille, is a cryptocrystalline mixture of quartz that occurs mostly as jasper (opaque) or sometimes as chalcedony (translucent). The "classic" bloodstone is translucent to opaque green chalcedony and red jasper that contains inclusions of hematite. The red jasper may resemble spots of blood, hence the name bloodstone. Other colors of chalcedony also can occur in Indian bloodstone, such as white, yellow, or blue. This stone should not be confused with other ornamental stones that contain red jasper, such as Setonite (also known as African Bloodstone) which is composed of red jasper, grey chalcedony, and pyrite or Dragon's Blood (sometimes referred to as Australian Bloodstone) which is composed of red jasper and green epidote.
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