Know all about Gneiss and Shoshonite properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss belongs to Metamorphic Rocks while Shoshonite belongs to Igneous Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Shoshonite is Porphyritic. Gneiss appears Foliated and Shoshonite appears Dull. The luster of Gneiss and Shoshonite is dull. Gneiss is available in black, brown, pink, red, white colors whereas Shoshonite is available in brown- black, dark brown colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums and that of Shoshonite are cemetery markers, creating artwork.