Know all about Teschenite and Gneiss properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks.Texture of Teschenite is Phaneritic whereas that of Gneiss is Banded, Foliated, Platy. Teschenite appears Veined and Shiny and Gneiss appears Foliated. The luster of Teschenite is not available while that of Gneiss is dull. Teschenite is available in dark grey to black colors whereas Gneiss is available in black, brown, pink, red, white colors. The commercial uses of Teschenite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums.