Know all about Diatomite and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Diatomite belongs to Sedimentary Rocks while Dacite belongs to Igneous Rocks.Texture of Diatomite is Clastic or Non-Clastic whereas that of Dacite is Aphanitic to Porphyritic. Diatomite appears Soft and Dacite appears Vesicular. The luster of Diatomite is dull while that of Dacite is subvitreous to dull. Diatomite is available in grey, white, yellow colors whereas Dacite is available in bluish - grey, brown, grey, light to dark 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 Dacite are commemorative tablets, creating artwork.