Know all about Shoshonite and Coal properties here. All properties of rocks are important as they define the type of rock and its application. Shoshonite belongs to Igneous Rocks while Coal belongs to Sedimentary Rocks.Texture of Shoshonite is Porphyritic whereas that of Coal is Amorphous, Glassy. Shoshonite appears Dull and Coal appears Veined or Pebbled. The luster of Shoshonite is dull while that of Coal is dull to vitreous to submetallic. Shoshonite is available in brown- black, dark brown colors whereas Coal is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Shoshonite are cemetery markers, creating artwork and that of Coal are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.