Know all about Siltstone and Oolite properties here. All properties of rocks are important as they define the type of rock and its application. Siltstone and Oolite belong to Sedimentary Rocks.Texture of Siltstone is Clastic whereas that of Oolite is Clastic or Non-Clastic. Siltstone appears Rough and Oolite appears Rounded and Rough. The luster of Siltstone is dull while that of Oolite is pearly to shiny. Siltstone is available in brown, red, reddish brown colors whereas Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors. The commercial uses of Siltstone are raw material for the manufacture of mortar, soil conditioner and that of Oolite are creating artwork, jewelry, used in aquariums.