Know all about Greywacke and Pantellerite properties here. All properties of rocks are important as they define the type of rock and its application. Greywacke belongs to Sedimentary Rocks while Pantellerite belongs to Igneous Rocks.Texture of Greywacke is Clastic whereas that of Pantellerite is Eutaxitic. Greywacke appears Dull and Pantellerite appears Layered and Foliated. The luster of Greywacke is dull while that of Pantellerite is earthy. Greywacke is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Pantellerite is available in dark greenish - grey colors. The commercial uses of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones and that of Pantellerite are creating artwork.