Know all about Blueschist and Gneiss properties here. All properties of rocks are important as they define the type of rock and its application. Blueschist and Gneiss belong to Metamorphic Rocks.Texture of Blueschist is Foliated whereas that of Gneiss is Banded, Foliated, Platy. Blueschist appears Dull and Banded and Gneiss appears Foliated. The luster of Blueschist and Gneiss is dull. Blueschist is available in blue, bluish - grey, purple, shades of blue colors whereas Gneiss is available in black, brown, pink, red, white colors. The commercial uses of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones and that of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums.