Know all about Adakite and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Adakite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks.Texture of Adakite is Porphyritic whereas that of Argillite is Clastic, Polished. Adakite appears Dull and Soft and Argillite appears Rough and Dull. The luster of Adakite is grainy, pearly and vitreous while that of Argillite is waxy and dull. Adakite is available in black, brown, light to dark grey colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Adakite are commemorative tablets, pottery, used in aquariums and that of Argillite are fire resistant, used to manufracture paperweights and bookends.