Know all about Coal and Diamictite properties here. All properties of rocks are important as they define the type of rock and its application. Coal and Diamictite belong to Sedimentary Rocks.Texture of Coal is Amorphous, Glassy whereas that of Diamictite is Clastic. Coal appears Veined or Pebbled and Diamictite appears Banded. The luster of Coal is dull to vitreous to submetallic while that of Diamictite is grainy, pearly and vitreous. Coal is available in black, brown, dark brown, grey, light to dark grey colors whereas Diamictite is available in brown, buff 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 Diamictite are commemorative tablets, creating artwork, production of lime.