Know all about Argillite and Migmatite properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Migmatite belongs to Metamorphic Rocks.Texture of Argillite is Clastic, Polished whereas that of Migmatite is Foliated. Argillite appears Rough and Dull and Migmatite appears Dull, Banded and Foilated. The luster of Argillite is waxy and dull while that of Migmatite is dull to pearly to subvitreous. Argillite is available in dark grey to black, pink, red, white colors whereas Migmatite is available in black, bluish - grey, brown, brown- black, dark greenish - grey, dark grey to black colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Migmatite are cemetery markers, jewelry, tombstones, used to manufracture paperweights and bookends.