sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque luster, various earth-tone colors, and a conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque luster, various earth-tone colors, and a conchoidal fracture.
Formation & geological history
Formed from silica-rich sediments or volcanic ash, heavily consolidated and altered during diagenesis.
Uses & applications
Widely used for ornamental carvings, polished cabochons, jewelry, and collector displays.
Geological facts
Jasper has been utilized since ancient times for talismans, seals, and weaponry components across many civilizations.
Field identification & locations
Identified by its opaque nature and rich earthy colors, commonly found in riverbeds, hydrothermal veins, and sedimentary deposits worldwide.
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