Fossiliferous Chert look-alikes
Chert (a variety of microcrystalline quartz) with fossil inclusions
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Open the appSeveral rocks and minerals can be confused with Fossiliferous 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
Flint
Chert (variety of microcrystalline quartz)
Also known as: Black Chert
Jasper
Chert (variety of microcrystalline quartz)
Also known as: Red Chert
Agate
Cryptocrystalline silica (chalcedony)
Also known as: Banded Chert
Diatomite
Opal-A (amorphous hydrated silica)
Also known as: Diatomaceous Earth
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