Know all about Variolite and Peridotite properties here. All properties of rocks are important as they define the type of rock and its application. Variolite and Peridotite belong to Igneous Rocks.Texture of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Peridotite is Phaneritic. Variolite appears Dull and Soft and Peridotite appears Rough and Shiny. The luster of Variolite is not available while that of Peridotite is shiny. Variolite is available in black, brown, light to dark grey colors whereas Peridotite is available in dark greenish - grey colors. The commercial uses of Variolite are cemetery markers, creating artwork and that of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.