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