Know all about Anthracite and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Anthracite belongs to Metamorphic Rocks while Gabbro belongs to Igneous Rocks.Texture of Anthracite is Amorphous, Glassy whereas that of Gabbro is Phaneritic. Anthracite appears Veined or Pebbled and Gabbro appears Veined and Shiny. The luster of Anthracite is shiny while that of Gabbro is not available. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors whereas Gabbro is available in dark grey to black 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 Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.