sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque luster, various yellow and brown earthy colors, and a conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque luster, various yellow and brown earthy colors, and a conchoidal fracture.
Formation & geological history
Forms from the precipitation of silica-rich fluids in sedimentary or volcanic environments over millions of years.
Uses & applications
Used primarily for ornamental carvings, jewelry, and polished collector specimens.
Geological facts
Jasper has been utilized since ancient times for talismans, seals, and decorative weaponry.
Field identification & locations
Identify by its opaque nature, high hardness, and waxy luster; commonly found in riverbeds and mountainous regions worldwide.
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