sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque luster, reddish-brown color, conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque luster, reddish-brown color, conchoidal fracture.
Formation & geological history
Formed from silica-rich precipitates in marine or hydrothermal environments, often during the Precambrian era.
Uses & applications
Used in ornamental carvings, cabochons, jewelry, and polished display specimens.
Geological facts
Jasper has been utilized since ancient times for talismans, seals, and decorative arts across various civilizations.
Field identification & locations
Identify by its waxy luster, opaque nature, and inability to be scratched by a steel knife. Found globally.
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