mineral
Carnelian
Silicon Dioxide (Chalcedony variety)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, orange to reddish-orange color, waxy to vitreous luster, and microcrystalline crystal structure.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, orange to reddish-orange color, waxy to vitreous luster, and microcrystalline crystal structure.
Formation & geological history
Formed in silica-rich groundwater solutions depositing within cavities of volcanic or sedimentary rocks over millions of years.
Uses & applications
Widely used in gemstone jewelry, carved talismans, and decorative ornamental items.
Geological facts
Carnelian was highly prized in ancient civilizations like Egypt and Rome for seals, signet rings, and funerary amulets.
Field identification & locations
Identify by its distinct translucent orange hue, conchoidal fracture, and waxy luster; commonly found in India, Brazil, and Uruguay.
