sedimentary
Jasper
Silicon dioxide (Quartz variety), SiO2
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, opaque luster, red and brown coloration, microcrystalline crystal structure.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, opaque luster, red and brown coloration, microcrystalline crystal structure.
Formation & geological history
Formed by the precipitation of silica from water in sedimentary environments or hydrothermal veins.
Uses & applications
Used in ornamental carvings, jewelry, and polished collector specimens.
Geological facts
Jasper has been used since ancient times for talismans, seals, and decorative weaponry.
Field identification & locations
Identified by its waxy luster and opaque, multicolored patterns. Commonly found in riverbeds and silicate-rich deposits worldwide.
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