Know all about Variolite and Travertine properties here. All properties of rocks are important as they define the type of rock and its application. Variolite belongs to Igneous Rocks while Travertine belongs to Sedimentary Rocks.Texture of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Travertine is Banded. Variolite appears Dull and Soft and Travertine appears Fibrous. The luster of Variolite is not available while that of Travertine is dull to pearly. Variolite is available in black, brown, light to dark grey colors whereas Travertine is available in beige, black, blue, brown, grey, red, white, yellow colors. The commercial uses of Variolite are cemetery markers, creating artwork and that of Travertine are cemetery markers, creating artwork, gemstone, jewelry, paper industry, pottery.