Know all about Anthracite and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Anthracite belongs to Metamorphic Rocks while Rhyolite belongs to Igneous Rocks.Texture of Anthracite is Amorphous, Glassy whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Anthracite appears Veined or Pebbled and Rhyolite appears Banded. The luster of Anthracite is shiny while that of Rhyolite is earthy. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors whereas Rhyolite is available in grey, white, light black colors. The commercial uses of Anthracite are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry and that of Rhyolite are gemstone, laboratory bench tops, jewelry.