Know all about Anthracite and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Anthracite belongs to Metamorphic Rocks while Trachyandesite belongs to Igneous Rocks.Texture of Anthracite is Amorphous, Glassy whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Anthracite appears Veined or Pebbled and Trachyandesite appears Dull and Soft. The luster of Anthracite is shiny while that of Trachyandesite is earthy. Anthracite and Trachyandesite are available in black, brown, dark brown, grey, light to dark grey 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 Trachyandesite are creating artwork, pottery.