Know all about Gneiss and Eclogite properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss and Eclogite belong to Metamorphic Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Eclogite is Earthy. Gneiss appears Foliated and Eclogite appears Dull, Banded and Foilated. The luster of Gneiss is dull while that of Eclogite is subvitreous to dull. Gneiss is available in black, brown, pink, red, white colors whereas Eclogite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums and that of Eclogite are creating artwork, gemstone.