Know all about Diorite and Skarn properties here. All properties of rocks are important as they define the type of rock and its application. Diorite belongs to Igneous Rocks while Skarn belongs to Metamorphic Rocks.Texture of Diorite is Phaneritic whereas that of Skarn is Earthy, Mud-rich, Rough. Diorite appears Shiny and Skarn appears Dull. The luster of Diorite is shiny while that of Skarn is waxy and dull. Diorite is available in black, brown, light to dark grey, white colors whereas Skarn is available in black, brown, colourless, green, grey, white colors. The commercial uses of Diorite are creating artwork, curling and that of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo).