gemstone
Agate
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, waxy luster, trigonal crystal system, and exhibits conchoidal fracture with distinct banding patterns.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, waxy luster, trigonal crystal system, and exhibits conchoidal fracture with distinct banding patterns.
Formation & geological history
Forms primarily within cavities of volcanic and metamorphic rocks through the deposition of silica from groundwater over millions of years.
Uses & applications
Widely utilized in ornamental carvings, jewelry making, decorative objects, and precision laboratory instruments.
Geological facts
Agate was highly prized in ancient civilizations as a protective amulet and for crafting intricate intaglio seals and cameos.
Field identification & locations
Identified easily by its characteristic concentric color bands and waxy sheen; found globally in volcanic regions and river gravels.
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