Know all about Argillite and Mangerite properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Mangerite belongs to Igneous Rocks.Texture of Argillite is Clastic, Polished whereas that of Mangerite is Phaneritic. Argillite appears Rough and Dull and Mangerite appears Shiny. The luster of Argillite is waxy and dull while that of Mangerite is subvitreous to dull. Argillite is available in dark grey to black, pink, red, white colors whereas Mangerite is available in black, brown, light to dark grey, white colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Mangerite are cemetery markers, creating artwork.