Know all about Felsite and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Felsite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks.Texture of Felsite is Arborescent Patterned, Vitreous whereas that of Gritstone is Earthy. Felsite appears Layered, Banded, Veined and Shiny and Gritstone appears Layered and Foliated. The luster of Felsite is vitreous while that of Gritstone is dull. Felsite is available in black, blue, brown, green, orange, red, tan, yellow 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 Felsite are mirror, jewelry 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.