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Bloodstone The mineral aggregate heliotrope (from Greek helios meaning Sun, and trepein - to turn), also known as bloodstone, is a cryptocrystalline mixture of quartz that occurs mostly as jasper (opaque) or sometimes as chalcedony (translucent). The "classic" bloodstone is opaque green jasper with red inclusions of hematite. The red inclusions may resemble spots of blood, hence the name bloodstone. The name heliotrope derives from various ancient notions about the manner in which the mineral reflects light. (source: Wikipedia) Photos by Michael Marcotte Return to List Back to Michael's Hobbies page Back to Michael Marcotte's HomePage