Know all about Diatomite and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Diatomite belongs to Sedimentary Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Diatomite is Clastic or Non-Clastic whereas that of Mylonite is Foliated. Diatomite appears Soft and Mylonite appears Dull, Banded and Foilated. The luster of Diatomite is dull while that of Mylonite is shiny. Diatomite is available in grey, white, yellow colors whereas Mylonite is available in black to grey 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 Mylonite are creating artwork, gemstone, jewelry.