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

Jasper

Microcrystalline quartz (SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque appearance, and conchoidal fracture.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque appearance, and conchoidal fracture.

Formation & geological history

Formed through the silification of sedimentary or volcanic rocks, rich in silica-laden fluids precipitating in marine or terrestrial environments.

Uses & applications

Widely used for ornamental carvings, cabochons, jewelry, and as a collector mineral.

Geological facts

Jasper has been utilized since ancient times for tools, seals, and decorative art.

Field identification & locations

Identified easily by its opaque nature, waxy luster, and conchoidal breakage; found globally in various colored varieties.