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

Travertine

Calcium Carbonate (CaCO3)

AI-generated identification · may be incorrect

Hardness of 3 on the Mohs scale, typically white, tan, cream, or rust colored, with a vitreous to dull luster and a fibrous or concentric crystal structure.

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Physical properties

Hardness of 3 on the Mohs scale, typically white, tan, cream, or rust colored, with a vitreous to dull luster and a fibrous or concentric crystal structure.

Formation & geological history

Formed through the precipitation of carbonate minerals from supersaturated waters, often around hot springs or limestone caves.

Uses & applications

Widely used in architecture for building facades, wall cladding, flooring, and interior paving tiles.

Geological facts

Famous structures like the Roman Colosseum were built largely using travertine stone. It often preserves fossilized plants and leaves within its layers.

Field identification & locations

Easily identified by its fibrous, layered appearance and reactivity with hydrochloric acid; commonly found near mineral springs worldwide.