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