All about Coal and Norite Properties
Know all about Coal and Norite properties here. All properties of rocks are important as they define the type of rock and its application. Coal belongs to Sedimentary Rocks while Norite belongs to Igneous Rocks.Texture of Coal is Amorphous, Glassy whereas that of Norite is Phaneritic. Coal appears Veined or Pebbled and Norite appears Veined and Shiny. The luster of Coal is dull to vitreous to submetallic while that of Norite is not available. Coal is available in black, brown, dark brown, grey, light to dark grey colors whereas Norite is available in dark grey to black colors. The commercial uses of Coal are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry and that of Norite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.