Carnelian (Madagascar): Carnelian is a red variety of the mineral chalcedony, a fibrous variety of quartz that forms in masses rather than points. It may be solid, have agate banding, or form with quartz crystals. The red, orange, and brownish colors come from trace amounts of hematite and hydrated iron oxides suspended within it. The name was influenced by the Latin cornus (“cornelian cherry”), a red dogwood fruit, and the Latin carnem (“flesh, meat”), after its color.
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