Jet look-alikes
Lignite (a variety of coal)
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Open the appSeveral rocks and minerals can be confused with Jet. 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
Obsidian
Obsidian
Also known as: Volcanic Glass
Black Tourmaline
Schorl (a variety of Tourmaline)
Also known as: Schorl
Onyx
Onyx (a variety of Chalcedony)
Also known as: Banded Chalcedony
Glass
Amorphous solid
Also known as: Manufactured Glass
Common Lignite
Lignite
Also known as: Brown Coal
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