Know all about Gossan and Charnockite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Charnockite belongs to Igneous Rocks.Texture of Gossan is Rough, Sandy whereas that of Charnockite is Granular. Gossan appears Dull and Banded and Charnockite appears Veined or Pebbled. The luster of Gossan is metallic while that of Charnockite is not available. Gossan is available in brown, brown- black, gold, green, rust colors whereas Charnockite is available in black, grey, orange, pink, white colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Charnockite are curling, gemstone, laboratory bench tops, tombstones.