Know all about Felsite and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Felsite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks.Texture of Felsite is Arborescent Patterned, Vitreous whereas that of Argillite is Clastic, Polished. Felsite appears Layered, Banded, Veined and Shiny and Argillite appears Rough and Dull. The luster of Felsite is vitreous while that of Argillite is waxy and dull. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Felsite are mirror, jewelry and that of Argillite are fire resistant, used to manufracture paperweights and bookends.