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