NPT VTMSF24 2" x 4" Travertine Splitface Mosaic Volcano. The natural beauty of Travertine makes it ideal for any outdoor space. Whether creating a patio, a walkway, or a pool deck, Travertine’s rich tones and inherent shade variations will add warmth and sophistication to any setting. This volcano color is a mixture of scabos, red, brown, and gold.