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