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Material Name: carnelian
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Description
A pale orange-red to deep red translucent stone that is a variety of chalcedony. Carnelian was mined or gathered as an ornamental stone since at least 3000 BCE. It is found in Egypt, India and areas of Europe as water-worn pebbles. Carnelian was popular for amulets and scarabs and is still used as gemstones.

Synonyms and Related Terms
sard; cornelian; chalcedony; Karneol (Deut., Pol.); cornaline (Fr.); cornalina (Esp., Port.)

CompositionSiO2
Mohs Hardness7.0
Density2.6

Other Properties
Trigonal crystal system Fracture = conchoidal. Luster = vitreous to waxy. Streak = white.

Additional Information
Mineralogy Database: Quartz

Last updated on: 7/6/2009 7:37:01 AM


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Carnelian cabochon


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