Know all about Granophyre and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Granophyre belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks.Texture of Granophyre is Granophyric whereas that of Gritstone is Earthy. Granophyre appears Veined or Pebbled and Gritstone appears Layered and Foliated. The luster of Granophyre is dull to grainy with sporadic parts pearly and vitreous while that of Gritstone is dull. Granophyre is available in black, grey, orange, pink, white 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 Granophyre are curling, gemstone, laboratory bench tops, 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.