Fossilized Coral look-alikes
Rugosa or Tabulata coral (likely a type of Favosites or Hexagonaria)
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Open the appSeveral rocks and minerals can be confused with Fossilized Coral. 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
Modern Coral
Corallium rubrum (for red coral), various Scleractinia
Also known as: Precious Coral, Red Coral
Limestone (bioclastic)
Calcium Carbonate (CaCO3)
Also known as: Coquina, Fossiliferous Limestone
Chert/Flint
Microcrystalline Quartz (SiO2)
Also known as: Jasper, Agate
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