Travertine: Watching Stones Form in ... - Use Natural Stone
Jul 07, 2017 · Travertine can be white, cream, yellow, pink, tan, or reddish, all due to small amounts of iron or sulfur in the stone. The porous texture of travertine can be left “unfilled” for visual interest, or it can be filled with color-matched grout to produce a smoother surface. Because of travertine’s high porosity, the use of a sealant is recommended. Travertine has the same mineral composition as limestone and marble, so it shares similar properties.