Know all about Diorite and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Diorite belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks.Texture of Diorite is Phaneritic whereas that of Arkose is Clastic. Diorite appears Shiny and Arkose appears Rough and Dull. The luster of Diorite is shiny while that of Arkose is dull. Diorite is available in black, brown, light to dark grey, white colors whereas Arkose is available in reddish brown colors. The commercial uses of Diorite are creating artwork, curling and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.