Know all about Pyrolite and Andesite properties here. All properties of rocks are important as they define the type of rock and its application. Pyrolite and Andesite belong to Igneous Rocks.Texture of Pyrolite is Phaneritic whereas that of Andesite is Aphanitic to Porphyritic. Pyrolite appears Rough and Shiny and Andesite appears Dull and Soft. The luster of Pyrolite is shiny while that of Andesite is vitreous. Pyrolite is available in dark greenish - grey colors whereas Andesite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Andesite are commemorative tablets, creating artwork.