Know all about Teschenite and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks.Texture of Teschenite is Phaneritic whereas that of Gritstone is Earthy. Teschenite appears Veined and Shiny and Gritstone appears Layered and Foliated. The luster of Teschenite is not available while that of Gritstone is dull. Teschenite is available in dark grey to black colors whereas Gritstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Teschenite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones.