Know all about Coal and Basaltic Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Coal belongs to Sedimentary Rocks while Basaltic Trachyandesite belongs to Igneous Rocks.Texture of Coal is Amorphous, Glassy whereas that of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Coal appears Veined or Pebbled and Basaltic Trachyandesite appears Dull and Soft. The luster of Coal is dull to vitreous to submetallic while that of Basaltic Trachyandesite is not available. Coal and Basaltic Trachyandesite are available in black, brown, dark brown, grey, light to dark grey 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 Basaltic Trachyandesite are an oil and gas reservoir, commemorative tablets, creating artwork.