Know all about Argillite and Soapstone properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Soapstone belongs to Metamorphic Rocks.Texture of Argillite is Clastic, Polished whereas that of Soapstone is Polished. Argillite appears Rough and Dull and Soapstone appears Dull, Banded and Foilated. The luster of Argillite is waxy and dull while that of Soapstone is greasy. Argillite is available in dark grey to black, pink, red, white colors whereas Soapstone is available in black, black to grey, green, grey colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Soapstone are cemetery markers, creating artwork, gemstone, jewelry, manufacture of soap, solvents, dyes, plastics and fibres, production of lime, source of magnesia (mgo).