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

Travertine

Calcium Carbonate (CaCO3)

AI-generated identification · may be incorrect

Mohs hardness of 3, varies in color from white to tan and cream, vitreous to dull luster, and exhibits a porous, fibrous crystalline structure.

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Physical properties

Mohs hardness of 3, varies in color from white to tan and cream, vitreous to dull luster, and exhibits a porous, fibrous crystalline structure.

Formation & geological history

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

Uses & applications

Widely used in architecture for flooring, wall cladding, and patio pavers, as well as in ornamental stonework.

Geological facts

Famous structures like the Roman Colosseum were built largely using travertine quarried from nearby Tivoli.

Field identification & locations

Identified by its distinct porous texture and light, earthy banding; common in karst landscapes worldwide.