Know all about Ignimbrite and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Ignimbrite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks.Texture of Ignimbrite is Aphanitic whereas that of Gritstone is Earthy. Ignimbrite appears Dull, Vesicular and Foilated and Gritstone appears Layered and Foliated. The luster of Ignimbrite is vitreous to dull while that of Gritstone is dull. Ignimbrite is available in beige, black, brown, grey, 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 Ignimbrite are cemetery markers, commemorative tablets, creating artwork 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.