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

Red Jasper

Microcrystalline quartz (SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5 to 7 on the Mohs scale, red to reddish-brown color, opaque luster, and microcrystalline trigonal structure with conchoidal fracture.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, red to reddish-brown color, opaque luster, and microcrystalline trigonal structure with conchoidal fracture.

Formation & geological history

Formed via the precipitation of silica-rich fluids in sedimentary environments or hydrothermal veins, often associated with iron-rich deposits.

Uses & applications

Widely used for ornamental carvings, polished cabochons in jewelry, and metaphysical practices.

Geological facts

Red jasper has been utilized since ancient times for amulets and seals due to its durability and rich color.

Field identification & locations

Identified by its dense red color, waxy luster, and high hardness that scratches glass. Commonly found in riverbeds and mountainous regions worldwide.