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