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