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, or cream colored with a vitreous to dull luster and fibrous or concentric crystal structure.

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Physical properties

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

Formation & geological history

Formed by the precipitation of carbonate minerals from supersaturated hydrothermal waters, commonly around hot springs or in limestone caves.

Uses & applications

Widely used in construction for flooring, paving tiles, and interior wall cladding, as well as for decorative landscaping.

Geological facts

Famous for forming the stunning terraced pools at Pamukkale in Turkey and used extensively in ancient Roman architecture including the Colosseum.

Field identification & locations

Identified by its banded appearance, fibrous texture, and strong effervescence when tested with dilute hydrochloric acid; found globally near geothermal features.