Know all about Rhyolite and Pyrolite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Pyrolite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Pyrolite is Phaneritic. Rhyolite appears Banded and Pyrolite appears Rough and Shiny. The luster of Rhyolite is earthy while that of Pyrolite is shiny. Rhyolite is available in grey, white, light black colors whereas Pyrolite is available in dark greenish - grey colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.