Know all about Diorite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Diorite and Scoria belong to Igneous Rocks.Texture of Diorite is Phaneritic whereas that of Scoria is Vesicular. Diorite appears Shiny and Scoria appears Glassy and Vesicular. The luster of Diorite is shiny while that of Scoria is subvitreous to dull. Diorite is available in black, brown, light to dark grey, white colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Diorite are creating artwork, curling and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.