Know all about Anthracite and Trachyte properties here. All properties of rocks are important as they define the type of rock and its application. Anthracite belongs to Metamorphic Rocks while Trachyte belongs to Igneous Rocks.Texture of Anthracite is Amorphous, Glassy whereas that of Trachyte is Aphanitic to Porphyritic. Anthracite appears Veined or Pebbled and Trachyte appears Banded. The luster of Anthracite is shiny while that of Trachyte is metallic. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors whereas Trachyte is available in black, brown, dark greenish - grey, green, grey, 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 Trachyte are cemetery markers, creating artwork.