sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, opaque luster, massive crystal habit with no visible cleavage, and specific gravity of 2.58-2.91.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, opaque luster, massive crystal habit with no visible cleavage, and specific gravity of 2.58-2.91.
Formation & geological history
Formed through the precipitation of silica-rich fluids within sedimentary or volcanic environments over millions of years.
Uses & applications
Widely used in ornamental carvings, cabochons, lapidary art, and cherished by mineral collectors.
Geological facts
Jasper has been utilized since ancient times for tools, seals, and amulets, frequently mentioned in historical texts.
Field identification & locations
Identified by its microcrystalline texture, lack of cleavage, waxy luster, and rich multicolored banding; found worldwide.
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