Rock Identifier
Jasper (Microcrystalline Quartz (SiO2)) — sedimentary
sedimentary

Jasper

Microcrystalline Quartz (SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5-7 on the Mohs scale, waxy luster, opaque, and exhibits conchoidal fracture.

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Physical properties

Hardness of 6.5-7 on the Mohs scale, waxy luster, opaque, and exhibits conchoidal fracture.

Formation & geological history

Formed from silica-rich sediments or volcanic ash consolidated in marine or terrestrial environments over millions of years.

Uses & applications

Used extensively for ornamental carvings, cabochons, jewelry, and as a collector specimen.

Geological facts

Jasper has been utilized since ancient times for talismans, seals, and weaponry due to its durability and rich earth-tone colors.

Field identification & locations

Identified by its opaque nature and varied patterns; commonly found worldwide in riverbeds, hydrothermal veins, and sedimentary deposits.