sedimentary

Zebra Jasper

Silicon Dioxide (SiO2) with impurities

AI-generated identification · may be incorrect

Hardness: 6.5-7 on Mohs scale; Color: Greenish-yellow with black or dark green stripes; Luster: Vitreous to dull; Crystal Structure: Microcrystalline; Cleavage: None; Specific Gravity: 2.58-2.91

Hardness: 6
Color: Greenish-yellow with black or dark green stripes
Luster: Vitreous to dull

Identified May 31, 2026More sedimentary →

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Physical properties

Hardness: 6.5-7 on Mohs scale; Color: Greenish-yellow with black or dark green stripes; Luster: Vitreous to dull; Crystal Structure: Microcrystalline; Cleavage: None; Specific Gravity: 2.58-2.91

Formation & geological history

Formed from the consolidation of volcanic ash or silica-rich sediments. The unique banding is caused by the rhythmic precipitation of iron and manganese oxides during the stone's formation.

Uses & applications

Commonly used in jewelry (beads, cabochons), decorative carvings, meditation stones, and as a popular item for rock collectors and metaphysical lapidary enthusiasts.

Geological facts

Despite being called Jasper, many varieties of zebra-patterned stones are actually a form of marble or sedimentary rock. It is often referred to as the 'Anti-Apathy Stone' in various cultural traditions.

Field identification & locations

Identified by its distinct striped or mottled appearance and characteristic jasper hardness. Often found in South Africa, India, and Australia. Collectors should look for high contrast in the striping.