metamorphic
Zebra Jasper
Microcrystalline quartz (silicon dioxide, SiO2) with impurities
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, distinct black and white or dark brown stripes, opaque with a waxy to vitreous luster, trigonal crystal system.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, distinct black and white or dark brown stripes, opaque with a waxy to vitreous luster, trigonal crystal system.
Formation & geological history
Formed through the deposition and alteration of fine-grained silica-rich sediments over millions of years, often associated with ancient hydrothermal activity.
Uses & applications
Used primarily in lapidary work, carved into decorative objects, and fashioned into beads for jewelry and metaphysical collections.
Geological facts
Despite its common trade name, it is technically not a true jasper but rather a banded marble or altered volcanic tuff containing quartz.
Field identification & locations
Easily identified by its striking zebra-like contrasting stripes; commonly sourced from deposits in Australia, India, and Africa.
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