Know all about Felsite and Coal properties here. All properties of rocks are important as they define the type of rock and its application. Felsite belongs to Igneous Rocks while Coal belongs to Sedimentary Rocks.Texture of Felsite is Arborescent Patterned, Vitreous whereas that of Coal is Amorphous, Glassy. Felsite appears Layered, Banded, Veined and Shiny and Coal appears Veined or Pebbled. The luster of Felsite is vitreous while that of Coal is dull to vitreous to submetallic. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors whereas Coal is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Felsite are mirror, jewelry and that of Coal are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.