Know all about Oolite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Oolite belongs to Sedimentary Rocks while Nephelinite belongs to Igneous Rocks.Texture of Oolite is Clastic or Non-Clastic whereas that of Nephelinite is Aphanitic. Oolite appears Rounded and Rough and Nephelinite appears Skeletal. The luster of Oolite is pearly to shiny while that of Nephelinite is vitreous to metallic. Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Oolite are creating artwork, jewelry, used in aquariums and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).