Know all about Gneiss and Monzonite properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss belongs to Metamorphic Rocks while Monzonite belongs to Igneous Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Monzonite is Phaneritic. Gneiss appears Foliated and Monzonite appears Shiny. The luster of Gneiss is dull while that of Monzonite is subvitreous to dull. Gneiss is available in black, brown, pink, red, white colors whereas Monzonite is available in black, brown, light to dark grey, white colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums and that of Monzonite are creating artwork.