Know all about Skarn and Oolite properties here. All properties of rocks are important as they define the type of rock and its application. Skarn belongs to Metamorphic Rocks while Oolite belongs to Sedimentary Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Oolite is Clastic or Non-Clastic. Skarn appears Dull and Oolite appears Rounded and Rough. The luster of Skarn is waxy and dull while that of Oolite is pearly to shiny. Skarn is available in black, brown, colourless, green, grey, white colors whereas Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) and that of Oolite are creating artwork, jewelry, used in aquariums.