sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Hardness: 6.5-7 (Mohs scale); Color: Brick red to brownish-red; Luster: Vitreous to dull; Crystal structure: Trigonal (microcrystalline); Cleavage: None/Conchoidal fracture; Specific gravity: 2.58-2.91

Hardness: 6
Color: Brick red to brownish-red
Luster: Vitreous to dull

Identified May 7, 2026More sedimentary →

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Physical properties

Formation & geological history

Formed during the deposition of silica-rich fluids in sedimentary or volcanic environments, where fine silica microcrystals are dyed by iron oxide (hematite) over geological eras. Found in Precambrian and later rock formations.

Uses & applications

Widely used for ornamental carvings, jewelry (cabochons and beads), decorative stonework, and as a popular gemstone for metaphysical collections and grounding practices.

Geological facts

Red Jasper has been used since antiquity as a 'warrior's stone' for protection. It is frequently associated with the root chakra in various cultural traditions and was historically referred to as the 'Mother of all Stones' in some ancient civilizations.

Field identification & locations

Identified in the field by its intense red opacity, smooth waxy texture when polished, and its inability to be scratched by a steel knife. Common locations include India, Brazil, South Africa, and the United States (western states like Oregon and Idaho).

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