Know all about Anthracite and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Anthracite and Pseudotachylite belong to Metamorphic Rocks.Texture of Anthracite is Amorphous, Glassy whereas that of Pseudotachylite is Quench. Anthracite appears Veined or Pebbled and Pseudotachylite appears Dull and Soft. The luster of Anthracite is shiny while that of Pseudotachylite is vitreous. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, 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 Pseudotachylite are creating artwork, gemstone.