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Red Jasper and Quartz look-alikes

SiO2 (Jasper, a variety of Chalcedony) and SiO2 (Quartz)

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Several rocks and minerals can be confused with Red Jasper and Quartz. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.

Similar rocks to compare

Carnelian

SiO2 (Chalcedony variety)

Also known as: Cornelian

Red Chert

SiO2 (Microcrystalline Quartz)

Also known as: Radiolarite (if biogenic)

Red Agate

SiO2 (Banded Chalcedony variety)

Also known as: Banded Chalcedony

Rhyolite (with Jasper inclusions)

Felsic volcanic rock

Also known as: Volcanic rock

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