Know all about Gossan and Pegmatite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Pegmatite belongs to Igneous Rocks.Texture of Gossan is Rough, Sandy whereas that of Pegmatite is Pegmatitic. Gossan appears Dull and Banded and Pegmatite appears Layered, Banded, Veined and Shiny. The luster of Gossan is metallic while that of Pegmatite is grainy, pearly and vitreous. Gossan is available in brown, brown- black, gold, green, rust colors whereas Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Pegmatite are creating artwork, jewelry, source of corundum, tourmalines, beryls and topaz.