Know all about Oolite and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Oolite and Gritstone belong to Sedimentary Rocks.Texture of Oolite is Clastic or Non-Clastic whereas that of Gritstone is Earthy. Oolite appears Rounded and Rough and Gritstone appears Layered and Foliated. The luster of Oolite is pearly to shiny while that of Gritstone is dull. Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors whereas Gritstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Oolite are creating artwork, jewelry, used in aquariums and that 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.