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, opaque luster, various colors including red, brown, and green, with a cryptocrystalline structure.

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Physical properties

Hardness of 6.5-7 on the Mohs scale, opaque luster, various colors including red, brown, and green, with a cryptocrystalline structure.

Formation & geological history

Formed through the precipitation of silica-rich fluids in sedimentary or volcanic environments, often millions of years old.

Uses & applications

Used primarily in ornamental carvings, jewelry, and as a collector's specimen.

Geological facts

Jasper has been used since ancient times for talismans, seals, and weaponry.

Field identification & locations

Identify by its opaque nature and conchoidal fracture, commonly found in riverbeds and mountainous regions.