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