Know all about Phyllite and Diatomite properties here. All properties of rocks are important as they define the type of rock and its application. Phyllite belongs to Metamorphic Rocks while Diatomite belongs to Sedimentary Rocks.Texture of Phyllite is Phyllitic Sheen, Slaty whereas that of Diatomite is Clastic or Non-Clastic. Phyllite appears Crinkled or Wavy and Diatomite appears Soft. The luster of Phyllite is phyllitic while that of Diatomite is dull. Phyllite is available in black to grey, light greenish grey colors whereas Diatomite is available in grey, white, yellow colors. The commercial uses of Phyllite are cemetery markers, commemorative tablets, creating artwork, writing slates 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.