Know all about Gossan and Epidosite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Epidosite belongs to Igneous Rocks.Texture of Gossan is Rough, Sandy whereas that of Epidosite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Gossan appears Dull and Banded and Epidosite appears Dull and Soft. The luster of Gossan is metallic while that of Epidosite is not available. Gossan is available in brown, brown- black, gold, green, rust colors whereas Epidosite is available in black, brown, light to dark grey colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Epidosite are commemorative tablets, creating artwork.