Know all about Granulite and Gneiss properties here. All properties of rocks are important as they define the type of rock and its application. Granulite and Gneiss belong to Metamorphic Rocks.Texture of Granulite is Granoblastic whereas that of Gneiss is Banded, Foliated, Platy. Granulite appears Veined or Pebbled and Gneiss appears Foliated. The luster of Granulite is vitreous while that of Gneiss is dull. Granulite is available in black, brown colors whereas Gneiss is available in black, brown, pink, red, white colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones and that of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums.