Know all about Gossan and Granite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Granite belongs to Igneous Rocks.Texture of Gossan is Rough, Sandy whereas that of Granite is Granular, Phaneritic. Gossan appears Dull and Banded and Granite appears Veined or Pebbled. The luster of Gossan is metallic while that of Granite is dull to grainy with sporadic parts pearly and vitreous. Gossan is available in brown, brown- black, gold, green, rust colors whereas Granite is available in black, grey, orange, pink, white colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Granite are curling, gemstone, laboratory bench tops, tombstones, used in aquariums.