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