Know all about Diorite and Dolomite properties here. All properties of rocks are important as they define the type of rock and its application. Diorite belongs to Igneous Rocks while Dolomite belongs to Sedimentary Rocks.Texture of Diorite is Phaneritic whereas that of Dolomite is Earthy. Diorite appears Shiny and Dolomite appears Glassy or Pearly. The luster of Diorite is shiny while that of Dolomite is vitreous and pearly. Diorite is available in black, brown, light to dark grey, white colors whereas Dolomite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Diorite are creating artwork, curling and that of Dolomite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).