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