Banded Onyx look-alikes
Calcite (a variety of onyx marble)
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Open the appSeveral rocks and minerals can be confused with Banded Onyx. 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
True Onyx
Cryptocrystalline Quartz (SiO2)
Also known as: Chalcedony Onyx
Travertine
Calcite (CaCO3)
Also known as: Tufa (less dense variety)
Marble
Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
Also known as: Crystalline Limestone
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