Know all about Diatomite and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Diatomite belongs to Sedimentary Rocks while Talc carbonate belongs to Metamorphic Rocks.Texture of Diatomite is Clastic or Non-Clastic whereas that of Talc carbonate is Very Soft. Diatomite appears Soft and Talc carbonate appears Soft. The luster of Diatomite is dull while that of Talc carbonate is pearly. Diatomite is available in grey, white, yellow colors whereas Talc carbonate is available in colourless, grey, white 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 Talc carbonate are manufacturing of baby powder.