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Difference between revisions of "Bloodstone"
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[[File:Bloodstones1.jpg|300px|thumb|Bloodstones held in a hand]] | [[File:Bloodstones1.jpg|300px|thumb|Bloodstones held in a hand]] | ||
The mineral aggregate '''bloodstone''', proper name '''heliotrope''' (from Ancient Greek ἥλιος (hḗlios) 'sun', and τρέπειν (trépein) 'to turn'), 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 its name. | The mineral aggregate '''bloodstone''', proper name '''heliotrope''' (from Ancient Greek ἥλιος (hḗlios) 'sun', and τρέπειν (trépein) 'to turn'), 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 its name. | ||
The name heliotrope derives from various ancient notions about the manner in which the mineral reflects light. Such notions are described, for example, by Pliny the Elder. | The name heliotrope derives from various ancient notions about the manner in which the mineral reflects light. Such notions are described, for example, by Pliny the Elder. | ||