Know all about Coal and Taconite properties here. All properties of rocks are important as they define the type of rock and its application. Coal and Taconite belong to Sedimentary Rocks.Texture of Coal is Amorphous, Glassy whereas that of Taconite is Banded, Trellis. Coal appears Veined or Pebbled and Taconite appears Layered, Banded, Veined and Shiny. The luster of Coal is dull to vitreous to submetallic while that of Taconite is earthy. Coal is available in black, brown, dark brown, grey, light to dark grey colors whereas Taconite is available in red, reddish brown 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 Taconite are as a touchstone, cemetery markers, creating artwork.