Know all about Granulite and Gossan properties here. All properties of rocks are important as they define the type of rock and its application. Granulite and Gossan belong to Metamorphic Rocks.Texture of Granulite is Granoblastic whereas that of Gossan is Rough, Sandy. Granulite appears Veined or Pebbled and Gossan appears Dull and Banded. The luster of Granulite is vitreous while that of Gossan is metallic. Granulite is available in black, brown colors whereas Gossan is available in brown, brown- black, gold, green, rust colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones and that of Gossan are cemetery markers, commemorative tablets, gemstone.