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, opaque reddish-brown color, waxy to vitreous luster, and conchoidal fracture.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, opaque reddish-brown color, waxy to vitreous luster, and conchoidal fracture.

Formation & geological history

Formed through the hydrothermal deposition of silica-rich fluids or accumulation of silica-rich radiolarian ooze in marine environments during the Precambrian and Paleozoic eras.

Uses & applications

Used primarily in ornamental carvings, cabochons, lapidary art, and metaphysical collection.

Geological facts

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

Field identification & locations

Easily identified in the field by its dark red color, conchoidal fracture, and inability to be scratched by a steel knife.