Know all about Diatomite and Granulite properties here. All properties of rocks are important as they define the type of rock and its application. Diatomite belongs to Sedimentary Rocks while Granulite belongs to Metamorphic Rocks.Texture of Diatomite is Clastic or Non-Clastic whereas that of Granulite is Granoblastic. Diatomite appears Soft and Granulite appears Veined or Pebbled. The luster of Diatomite is dull while that of Granulite is vitreous. Diatomite is available in grey, white, yellow colors whereas Granulite is available in black, brown 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 Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones.