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