Know all about Gritstone and Monzonite properties here. All properties of rocks are important as they define the type of rock and its application. Gritstone belongs to Sedimentary Rocks while Monzonite belongs to Igneous Rocks.Texture of Gritstone is Earthy whereas that of Monzonite is Phaneritic. Gritstone appears Layered and Foliated and Monzonite appears Shiny. The luster of Gritstone is dull while that of Monzonite is subvitreous to dull. Gritstone and Monzonite are 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 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 and that of Monzonite are creating artwork.