All about Coal and Gritstone Properties
Know all about Coal and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Coal and Gritstone belong to Sedimentary Rocks.Texture of Coal is Amorphous, Glassy whereas that of Gritstone is Earthy. Coal appears Veined or Pebbled and Gritstone appears Layered and Foliated. The luster of Coal is dull to vitreous to submetallic while that of Gritstone is dull. Coal is available in black, brown, dark brown, grey, light to dark grey colors whereas Gritstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow 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 Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones.