Know all about Gneiss and Mugearite properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss belongs to Metamorphic Rocks while Mugearite belongs to Igneous Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Mugearite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Gneiss appears Foliated and Mugearite appears Dull and Soft. The luster of Gneiss is dull while that of Mugearite is not available. Gneiss is available in black, brown, pink, red, white colors whereas Mugearite 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 Mugearite are creating artwork.