Rock Identifier
Jasper (Silicon dioxide (Microcrystalline quartz, SiO2)) — sedimentary
sedimentary

Jasper

Silicon dioxide (Microcrystalline quartz, SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5-7 on the Mohs scale, opaque luster, featuring red, brown, and green variegated colors with a cryptocrystalline structure and conchoidal fracture.

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Physical properties

Hardness of 6.5-7 on the Mohs scale, opaque luster, featuring red, brown, and green variegated colors with a cryptocrystalline structure and conchoidal fracture.

Formation & geological history

Forms through the precipitation of silica-rich fluids within sedimentary or volcanic environments over millions of years.

Uses & applications

Widely used in ornamental carvings, cabochons, jewelry, and prized by mineral collectors.

Geological facts

Jasper has been utilized since ancient times for talismans, seals, and weaponry components by various civilizations.

Field identification & locations

Identify by its waxy luster, opaque nature, and inability to be scratched by steel; commonly found in riverbeds and mountainous regions globally.