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