Know all about Diorite and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Diorite and Trachyandesite belong to Igneous Rocks.Texture of Diorite is Phaneritic whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Diorite appears Shiny and Trachyandesite appears Dull and Soft. The luster of Diorite is shiny while that of Trachyandesite is earthy. Diorite and Trachyandesite are available in black, brown, light to dark grey, white colors. The commercial uses of Diorite are creating artwork, curling and that of Trachyandesite are creating artwork, pottery.