Rock Identifier
Travertine (Calcium Carbonate (CaCO3)) — sedimentary
sedimentary

Travertine

Calcium Carbonate (CaCO3)

AI-generated identification · may be incorrect

Hardness 3 on Mohs scale, typically tan or brown with banded appearance, vitreous to dull luster, microcrystalline structure.

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Physical properties

Hardness 3 on Mohs scale, typically tan or brown with banded appearance, vitreous to dull luster, microcrystalline structure.

Formation & geological history

Formed by rapid precipitation of calcium carbonate from mineral springs, especially hot springs.

Uses & applications

Widely used in architecture for building facades, flooring, and interior design.

Geological facts

Travertine is the material used to build the Colosseum in Rome, the largest building in the world constructed mostly of it.

Field identification & locations

Identified by its characteristic banding and porosity; common in limestone cave systems and thermal spring deposits worldwide.