Rock Identifier
Zebra Rock (Silicified Siltstone with Hematite and Quartz) — sedimentary
sedimentary

Zebra Rock

Silicified Siltstone with Hematite and Quartz

AI-generated identification · may be incorrect

Hardness of 5-7 on the Mohs scale. Features distinct alternating dark reddish-brown and white or cream bands. Luster ranges from dull to vitreous when polished.

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Physical properties

Hardness of 5-7 on the Mohs scale. Features distinct alternating dark reddish-brown and white or cream bands. Luster ranges from dull to vitreous when polished.

Formation & geological history

Formed through the chemical alteration and silicification of fine-grained siltstone during the Proterozoic eon, approximately 600 million years ago.

Uses & applications

Primarily used for ornamental carvings, decorative objects, and lapidary jewelry due to its striking striped pattern.

Geological facts

Authentic zebra rock is famously and uniquely sourced exclusively from the East Kimberley region of Western Australia.

Field identification & locations

Easily identified by its unique zebra-like striping pattern. Collectors can find it in specialized lapidary shops and Australian mineral markets.