gemstone
Blue Agate
Silicon Dioxide (Chalcedony), SiO2
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, vibrant blue color, vitreous to waxy luster, microcrystalline crystal structure, and specific gravity of 2.60 to 2.65.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, vibrant blue color, vitreous to waxy luster, microcrystalline crystal structure, and specific gravity of 2.60 to 2.65.
Formation & geological history
Formed through the deposition of silica-rich groundwater within cavities of volcanic and metamorphic rocks over millions of years.
Uses & applications
Widely utilized in jewelry making, ornamental carvings, lapidary art, and metaphysical crystal collecting.
Geological facts
Naturally occurring blue agate is often enhanced through artificial dyeing to intensify its coloration for the commercial market.
Field identification & locations
Identified by its distinctive waxy luster, microcrystalline structure, and conchoidal fracture. Commonly sourced from Brazil, India, and the United States.
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