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