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