gemstone
Carnelian Agate
Silicon Dioxide (Chalcedony variety), SiO2
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, reddish-orange to brown color, vitreous to waxy luster, and cryptocrystalline structure.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, reddish-orange to brown color, vitreous to waxy luster, and cryptocrystalline structure.
Formation & geological history
Forms by the deposition of silica from groundwater in cavities of volcanic and sedimentary rocks over millions of years.
Uses & applications
Widely used in jewelry making, ornamental carvings, and holistic crystal collections.
Geological facts
Carnelian was highly prized in ancient Egypt for amulets and was believed to grant courage and vitality to the wearer.
Field identification & locations
Identify by its waxy luster, conchoidal fracture, and translucent reddish-orange banding; commonly found worldwide including Brazil, India, and the USA.
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