sedimentary

Zebra Jasper

Jasper (variety of Quartz/Chalcedony), SiO2

AI-generated identification · may be incorrect

Hardness (Mohs): 6.5 - 7; Color: Black and white or dark grey/cream patterns; Luster: Vitreous to waxy; Crystal Structure: Trigonal (Microcrystalline); Cleavage: None (Conchoidal fracture); Specific Gravity: 2.6 - 2.9

Color: Black and white or dark grey/cream patterns
Luster: Vitreous to waxy

Identified March 24, 2026More sedimentary →

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Physical properties

Formation & geological history

Formed from silica-rich sedimentary deposits or volcanic ash where mineral impurities (such as manganese or iron oxides) create distinct banding or mottling over millions of years through metamorphism or hydrothermal activity.

Uses & applications

Primarily used for ornamental purposes, including beads, cabochons for jewelry, decorative carvings, and as a popular stone for tumbling and crystal healing practices.

Geological facts

Despite the name 'Jasper', many zebra stones are technically a combination of minerals including quartz, basalt, and sometimes calcium carbonate. It is often referred to as a 'nurturing stone' in metaphysical communities.

Field identification & locations

Identify in the field by its distinct high-contrast black and white stripes or splotches and its inability to be scratched by a steel knife. It is commonly found in India, Russia, Africa, and Brazil.