Know all about Gossan and Diatomite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Diatomite belongs to Sedimentary Rocks.Texture of Gossan is Rough, Sandy whereas that of Diatomite is Clastic or Non-Clastic. Gossan appears Dull and Banded and Diatomite appears Soft. The luster of Gossan is metallic while that of Diatomite is dull. Gossan is available in brown, brown- black, gold, green, rust colors whereas Diatomite is available in grey, white, yellow colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone 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.