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