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