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Limestone look-alikes

Limestone (sedimentary rock, primarily composed of calcite)

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Several rocks and minerals can be confused with Limestone. 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

Dolomite (Dolostone)

Dolostone (primarily composed of dolomite)

Also known as: Dolostone

Marble

Metamorphosed Limestone (primarily composed of calcite or dolomite)

Also known as: Metamorphosed Limestone

Chert

Chert (primarily composed of microcrystalline quartz)

Also known as: Flint, Jasper

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