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