All about Coal and Slate Properties
Know all about Coal and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Coal belongs to Sedimentary Rocks while Slate belongs to Metamorphic Rocks.Texture of Coal is Amorphous, Glassy whereas that of Slate is Foliated. Coal appears Veined or Pebbled and Slate appears Dull. The luster of Coal is dull to vitreous to submetallic while that of Slate is dull. Coal is available in black, brown, dark brown, grey, light to dark grey colors whereas Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue 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 Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates.