Know all about Evaporite and Siltstone properties here. All properties of rocks are important as they define the type of rock and its application. Evaporite and Siltstone belong to Sedimentary Rocks.Texture of Evaporite is Earthy whereas that of Siltstone is Clastic. Evaporite appears Glassy, Vesicular and Foilated and Siltstone appears Rough. The luster of Evaporite is subvitreous to dull while that of Siltstone is dull. Evaporite is available in colourless, green, grey, silver, white colors whereas Siltstone is available in brown, red, reddish brown colors. The commercial uses of Evaporite are used in the manufacture of ceramic powder, used in the preparation of sulfuric acid and silicon diborite and that of Siltstone are raw material for the manufacture of mortar, soil conditioner.