Banded Chert look-alikes
Chert (variety Jasper/Flint)
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Open the appSeveral rocks and minerals can be confused with Banded Chert. 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
Agate
SiO2
Also known as: Banded Chalcedony
Opal
SiO2·nH2O
Also known as: Hydrated Amorphous Silica
Tiger's Eye
SiO2 (pseudomorph after crocidolite)
Also known as: Fibrous Quartz
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