Know all about Rhyolite and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Argillite is Clastic, Polished. Rhyolite appears Banded and Argillite appears Rough and Dull. The luster of Rhyolite is earthy while that of Argillite is waxy and dull. Rhyolite is available in grey, white, light black colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Argillite are fire resistant, used to manufracture paperweights and bookends.