sedimentary
Jasper
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque luster, microcrystalline quartz structure, and various earthy colors due to mineral impurities.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque luster, microcrystalline quartz structure, and various earthy colors due to mineral impurities.
Formation & geological history
Formed from silica-rich sediments or volcanic ash precipitation in marine or terrestrial environments over millions of years.
Uses & applications
Used primarily in ornamental carvings, cabochons, jewelry, and as decorative decorative lapidary material.
Geological facts
Jasper has been utilized since ancient times for talismans, seals, and weaponry components across various civilizations.
Field identification & locations
Identified by its dense, opaque appearance and conchoidal fracture; commonly found in riverbeds, hydrothermal veins, and sedimentary rock formations worldwide.
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