Calcite look-alikes
CaCO3
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Open the appSeveral rocks and minerals can be confused with Calcite. 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
Aragonite
Aragonite (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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