Know all about Peridotite and Rhyodacite properties here. All properties of rocks are important as they define the type of rock and its application. Peridotite and Rhyodacite belong to Igneous Rocks.Texture of Peridotite is Phaneritic whereas that of Rhyodacite is Earthy. Peridotite appears Rough and Shiny and Rhyodacite appears Skeletal. The luster of Peridotite is shiny while that of Rhyodacite is greasy to dull. Peridotite is available in dark greenish - grey colors whereas Rhyodacite is available in black to grey, dark greenish - grey colors. The commercial uses of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Rhyodacite are cemetery markers, creating artwork.