Flint look-alikes
Cryptocrystalline Quartz (Chert)
Got a photo? Identify rocks instantly with the Rockby app
Open the appSeveral rocks and minerals can be confused with Flint. 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
Chert
SiO2
Also known as: Radiolarite, Jasper, Agate, Chalcedony
Jasper
SiO2
Also known as: Red Chert
Chalcedony
SiO2
Also known as: Agate, Onyx, Carnelian
Obsidian
Amorphous SiO2
Also known as: Volcanic Glass
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