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