mineral

Red Jasper

Silicon Dioxide (Microcrystalline Quartz), SiO2

AI-generated identification · may be incorrect

Hardness of 6.5-7 on the Mohs scale, red to reddish-brown color due to iron inclusions, waxy to dull luster, cryptocrystalline or microcrystalline structure, conchoidal fracture with no cleavage, and a specific gravity of 2.58-2.91.

Identified July 29, 2026More mineral →

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Physical properties

Formation & geological history

Formed through the hydrothermal accumulation of silica-rich water or the alteration of silica-rich sediments, often found in association with iron formations and volcanic environments. Can date across various geological ages.

Uses & applications

Commonly used for making decorative items, cabochons, beads, carvings, and polished display pieces. Valued by collectors andlapidary artists.

Geological facts

Red jasper has been used since ancient times for talismans, seals, and jewelry. The ancient Egyptians carved amulets out of red jasper to symbolize the blood of the goddess Isis.

Field identification & locations

Identified by its distinctive deep red color, conchoidal fracture, and lack of visible crystal faces. Found worldwide, particularly in countries like India, Brazil, Russia, France, and the USA.