Know all about Blueschist and Diatomite properties here. All properties of rocks are important as they define the type of rock and its application. Blueschist belongs to Metamorphic Rocks while Diatomite belongs to Sedimentary Rocks.Texture of Blueschist is Foliated whereas that of Diatomite is Clastic or Non-Clastic. Blueschist appears Dull and Banded and Diatomite appears Soft. The luster of Blueschist and Diatomite is dull. Blueschist is available in blue, bluish - grey, purple, shades of blue colors whereas Diatomite is available in grey, white, yellow colors. The commercial uses of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones 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.