sedimentary
Jasper
Microcrystalline quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, opaque pink to reddish color, vitreous to dull luster, and conchoidal fracture.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, opaque pink to reddish color, vitreous to dull luster, and conchoidal fracture.
Formation & geological history
Formed from the precipitation of silica-rich fluids in sedimentary or volcanic environments over millions of years.
Uses & applications
Commonly used for ornamental carvings, polished cabochons in jewelry, and geological specimen collecting.
Geological facts
Jasper has been utilized since ancient times for talismans, seals, and decorative weaponry due to its durability.
Field identification & locations
Identified by its opaque appearance, smooth polished texture when tumbled, and inability to be scratched by steel.
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