Know all about Diatomite and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Diatomite belongs to Sedimentary Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Diatomite is Clastic or Non-Clastic whereas that of Greenschist is Foliated, Platy. Diatomite appears Soft and Greenschist appears Layered and Shiny. The luster of Diatomite is dull while that of Greenschist is shiny. Diatomite is available in grey, white, yellow colors whereas Greenschist is available in dark greenish - grey, green 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 Greenschist are blackboards, manufacture of tools, writing slates.