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