sedimentary

Red Jasper

SiO2 (Microcrystalline Quartz)

Hardness: 6.5-7 on Mohs scale; Color: Red to reddish-brown with yellow accents; Luster: Vitreous to waxy; Crystal structure: Trigonal (microcrystalline); Cleavage: None, conchoidal fracture

Hardness: 6
Color: Red to reddish-brown with yellow accents
Luster: Vitreous to waxy

Identified July 25, 2026More sedimentary →

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Physical properties

Hardness: 6.5-7 on Mohs scale; Color: Red to reddish-brown with yellow accents; Luster: Vitreous to waxy; Crystal structure: Trigonal (microcrystalline); Cleavage: None, conchoidal fracture

Formation & geological history

Formed in hydrothermal environments or sedimentary beds where silica-rich fluids precipitated along with iron oxides, giving it its distinct reddish coloration.

Uses & applications

Used in jewelry, lapidary art, cabochons, carvings, decorative objects, and as a popular collectible beach stone.

Geological facts

Red Jasper derives its vibrant red color from fine inclusions of iron oxide (hematite). Ancient cultures used it as a stone of protection and physical energy.

Field identification & locations

Look for an opaque, smooth, fine-grained rock with a rich reddish color that resists scratching by a steel blade. Found frequently on beaches, riverbeds, and gravel deposits.