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