Know all about Pyrolite and Coal properties here. All properties of rocks are important as they define the type of rock and its application. Pyrolite belongs to Igneous Rocks while Coal belongs to Sedimentary Rocks.Texture of Pyrolite is Phaneritic whereas that of Coal is Amorphous, Glassy. Pyrolite appears Rough and Shiny and Coal appears Veined or Pebbled. The luster of Pyrolite is shiny while that of Coal is dull to vitreous to submetallic. Pyrolite is available in dark greenish - grey colors whereas Coal is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Coal are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.