sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, opaque luster, various earth-tone colors, conchoidal fracture.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, opaque luster, various earth-tone colors, conchoidal fracture.
Formation & geological history
Formed from silica-rich precipitates in ancient marine environments or hydrothermal solutions.
Uses & applications
Used in ornamental carvings, cabochons, jewelry, and lapidary art.
Geological facts
Jasper has been utilized since ancient times for talismans, seals, and weaponry like arrowheads.
Field identification & locations
Identified by its waxy luster and opaque colorful patterns; common worldwide in riverbeds and mountainous regions.
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