Know all about Gritstone and Gossan properties here. All properties of rocks are important as they define the type of rock and its application. Gritstone belongs to Sedimentary Rocks while Gossan belongs to Metamorphic Rocks.Texture of Gritstone is Earthy whereas that of Gossan is Rough, Sandy. Gritstone appears Layered and Foliated and Gossan appears Dull and Banded. The luster of Gritstone is dull while that of Gossan is metallic. Gritstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Gossan is available in brown, brown- black, gold, green, rust colors. The commercial uses of Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones and that of Gossan are cemetery markers, commemorative tablets, gemstone.