Know all about Coal and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Coal belongs to Sedimentary Rocks while Talc carbonate belongs to Metamorphic Rocks.Texture of Coal is Amorphous, Glassy whereas that of Talc carbonate is Very Soft. Coal appears Veined or Pebbled and Talc carbonate appears Soft. The luster of Coal is dull to vitreous to submetallic while that of Talc carbonate is pearly. Coal is available in black, brown, dark brown, grey, light to dark grey colors whereas Talc carbonate is available in colourless, grey, white 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 Talc carbonate are manufacturing of baby powder.