Know all about Diatomite and Oolite properties here. All properties of rocks are important as they define the type of rock and its application. Diatomite and Oolite belong to Sedimentary Rocks.Texture of Diatomite is Clastic or Non-Clastic whereas that of Oolite is Clastic or Non-Clastic. Diatomite appears Soft and Oolite appears Rounded and Rough. The luster of Diatomite is dull while that of Oolite is pearly to shiny. Diatomite is available in grey, white, yellow colors whereas Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors. The commercial uses of Diatomite are alumina refineries, animal feed filler, as a feed additive for livestock, creating artwork, drawing on blackboards, fire resistant, gymnasts, athletes and mountain climbers use for grip, in aquifers, soil conditioner, to ignite fire, used as a filter medium, used as an insecticide, whiting material in toothpaste, paint and paper and that of Oolite are creating artwork, jewelry, used in aquariums.