Know all about Argillite and Lherzolite properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Lherzolite belongs to Igneous Rocks.Texture of Argillite is Clastic, Polished whereas that of Lherzolite is Grenue. Argillite appears Rough and Dull and Lherzolite appears Glassy, Vesicular and Foilated. The luster of Argillite is waxy and dull while that of Lherzolite is subvitreous to dull. Argillite is available in dark grey to black, pink, red, white colors whereas Lherzolite is available in black, dark greenish - grey, green, pink, purple colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Lherzolite are as armour rock for sea walls, source of magnesia (mgo), used in aquariums.