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