Know all about Gossan and Evaporite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Evaporite belongs to Sedimentary Rocks.Texture of Gossan is Rough, Sandy whereas that of Evaporite is Earthy. Gossan appears Dull and Banded and Evaporite appears Glassy, Vesicular and Foilated. The luster of Gossan is metallic while that of Evaporite is subvitreous to dull. Gossan is available in brown, brown- black, gold, green, rust colors whereas Evaporite is available in colourless, green, grey, silver, white colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Evaporite are used in the manufacture of ceramic powder, used in the preparation of sulfuric acid and silicon diborite.