gemstone
Tumbled Agate
Silicon dioxide (Quartz variety)
AI-generated identification · may be incorrectMohs hardness of 7, vitreous to waxy luster, translucent to opaque with banded or cloudy patterns, and trigonal crystal system.
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Physical properties
Mohs hardness of 7, vitreous to waxy luster, translucent to opaque with banded or cloudy patterns, and trigonal crystal system.
Formation & geological history
Formed through the deposition of silica from groundwater in cavities of igneous and sedimentary rocks over millions of years.
Uses & applications
Used primarily in jewelry, decorative carvings, and as a popular tumbled stone for collectors.
Geological facts
Agate has been used since ancient times for talismans and ornamentation due to its durability and striking banded patterns.
Field identification & locations
Easily identified by its hardness, waxy luster, and conchoidal fracture. Found worldwide, particularly in volcanic rock cavities.
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