Know all about Dolomite and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite and Argillite belong to Sedimentary Rocks.Texture of Dolomite is Earthy whereas that of Argillite is Clastic, Polished. Dolomite appears Glassy or Pearly and Argillite appears Rough and Dull. The luster of Dolomite is vitreous and pearly while that of Argillite is waxy and dull. Dolomite is available in black, brown, colourless, green, grey, pink, white colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Dolomite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Argillite are fire resistant, used to manufracture paperweights and bookends.