Know all about Gneiss and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss and Greenschist belong to Metamorphic Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Greenschist is Foliated, Platy. Gneiss appears Foliated and Greenschist appears Layered and Shiny. The luster of Gneiss is dull while that of Greenschist is shiny. Gneiss is available in black, brown, pink, red, white colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums and that of Greenschist are blackboards, manufacture of tools, writing slates.