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