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