sedimentary
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, waxy luster, opaque, and comes in various multicolored banded or spotted patterns with conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, waxy luster, opaque, and comes in various multicolored banded or spotted patterns with conchoidal fracture.
Formation & geological history
Formed through the silification of sedimentary or volcanic rocks where silica-rich fluids replace organic material or fill cavities.
Uses & applications
Widely used in jewelry, ornamental carvings, polished cabochons, and as a collector specimen.
Geological facts
Jasper has been used since ancient times for talismans, seals, and weaponry due to its durability and striking appearance.
Field identification & locations
Identified by its high hardness, inability to be scratched by steel, waxy luster, and opaque multicolored patterns; commonly found worldwide in riverbeds and silicate-rich deposits.
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