gemstone
Carnelian Agate
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, waxy luster, brownish-orange to red-orange color, and cryptocrystalline structure with conchoidal fracture.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, waxy luster, brownish-orange to red-orange color, and cryptocrystalline structure with conchoidal fracture.
Formation & geological history
Formed by the deposition of silica from groundwater in cavities of igneous or sedimentary rocks over millions of years.
Uses & applications
Widely used in making jewelry, beads, talismans, and ornamental carvings.
Geological facts
Carnelian was highly prized in ancient Egypt and Rome for signet rings and amulets due to its durability and rich color.
Field identification & locations
Identified by its characteristic reddish-orange translucency and waxy luster; commonly found in river gravels and volcanic regions globally.
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