gemstone
Carnelian
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, orange to reddish-brown color, vitreous to waxy luster, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, orange to reddish-brown color, vitreous to waxy luster, and conchoidal fracture.
Formation & geological history
Formed in silica-rich groundwater cavities within volcanic or sedimentary rocks, often developing over millions of years.
Uses & applications
Used extensively in making beads, carved gemstones, rings, and various types of ornamental jewelry.
Geological facts
Carnelian was prized in ancient civilizations like Ancient Egypt for use in royal signet rings and amulets.
Field identification & locations
Identified by its distinct translucent orange-red color and smooth conchoidal breakage pattern; found globally, including India and Brazil.
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