Know all about Diorite and Anthracite properties here. All properties of rocks are important as they define the type of rock and its application. Diorite belongs to Igneous Rocks while Anthracite belongs to Metamorphic Rocks.Texture of Diorite is Phaneritic whereas that of Anthracite is Amorphous, Glassy. Diorite appears Shiny and Anthracite appears Veined or Pebbled. The luster of Diorite and Anthracite is shiny. Diorite is available in black, brown, light to dark grey, white colors whereas Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Diorite are creating artwork, curling and that of Anthracite are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.