Know all about Ignimbrite and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Ignimbrite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks.Texture of Ignimbrite is Aphanitic whereas that of Argillite is Clastic, Polished. Ignimbrite appears Dull, Vesicular and Foilated and Argillite appears Rough and Dull. The luster of Ignimbrite is vitreous to dull while that of Argillite is waxy and dull. Ignimbrite is available in beige, black, brown, grey, pink, white colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Ignimbrite are cemetery markers, commemorative tablets, creating artwork and that of Argillite are fire resistant, used to manufracture paperweights and bookends.