Know all about Gritstone and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Gritstone belongs to Sedimentary Rocks while Essexite belongs to Igneous Rocks.Texture of Gritstone is Earthy whereas that of Essexite is Granular. Gritstone appears Layered and Foliated and Essexite appears Banded. The luster of Gritstone is dull while that of Essexite is not available. 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 Essexite is available in dark grey to black 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 Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.