Know all about Andesite and Diorite properties here. All properties of rocks are important as they define the type of rock and its application. Andesite and Diorite belong to Igneous Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Diorite is Phaneritic. Andesite appears Dull and Soft and Diorite appears Shiny. The luster of Andesite is vitreous while that of Diorite is shiny. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Diorite is available in black, brown, light to dark grey, white colors. The commercial uses of Andesite are commemorative tablets, creating artwork and that of Diorite are creating artwork, curling.