gemstone
Chalcedony Bangle
SiO2
AI-generated identification · may be incorrectHardness 6.5-7 on the Mohs scale, waxy to vitreous luster, cryptocrystalline quartz structure.
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Physical properties
Hardness 6.5-7 on the Mohs scale, waxy to vitreous luster, cryptocrystalline quartz structure.
Formation & geological history
Formed from silica-rich fluids precipitating in low-temperature environments, often within cavities of volcanic or sedimentary rocks.
Uses & applications
Primarily carved into jewelry, such as bangles, beads, and pendants, due to its toughness and translucency.
Geological facts
Chalcedony is a broad term for cryptocrystalline quartz; this specific pale, translucent variety is often prized for its jade-like appearance in Asian markets.
Field identification & locations
Identified by its waxy luster, lack of visible crystals, and distinctive translucency when held to light.
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