Know all about Gneiss and Evaporite properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss belongs to Metamorphic Rocks while Evaporite belongs to Sedimentary Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Evaporite is Earthy. Gneiss appears Foliated and Evaporite appears Glassy, Vesicular and Foilated. The luster of Gneiss is dull while that of Evaporite is subvitreous to dull. Gneiss is available in black, brown, pink, red, white colors whereas Evaporite is available in colourless, green, grey, silver, white colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums and that of Evaporite are used in the manufacture of ceramic powder, used in the preparation of sulfuric acid and silicon diborite.