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