Aragonite look-alikes

Aragonite (CaCO3)

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Several rocks and minerals can be confused with Aragonite. 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

Calcite

Calcite (CaCO3)

Also known as: Calcium Carbonate

Dolomite

Dolomite (CaMg(CO3)2)

Also known as: Calcium Magnesium Carbonate

Gypsum

Gypsum (CaSO4·2H2O)

Also known as: Hydrated Calcium Sulfate

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