Know all about Websterite and Greywacke properties here. All properties of rocks are important as they define the type of rock and its application. Websterite belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks.Texture of Websterite is Clastic, Granular, Phaneritic, Porphyritic whereas that of Greywacke is Clastic. Websterite appears Layered, Banded, Veined and Shiny and Greywacke appears Dull. The luster of Websterite is dull to vitreous to submetallic while that of Greywacke is dull. Websterite is available in black to grey, bluish - grey, dark greenish - grey, green, light greenish grey colors whereas Greywacke is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Websterite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones.