Know all about Greywacke and Wehrlite properties here. All properties of rocks are important as they define the type of rock and its application. Greywacke belongs to Sedimentary Rocks while Wehrlite belongs to Igneous Rocks.Texture of Greywacke is Clastic whereas that of Wehrlite is Banded. Greywacke appears Dull and Wehrlite appears Rough and Banded. The luster of Greywacke is dull while that of Wehrlite is metallic. 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 Wehrlite is available in dark greenish - grey, green colors. The commercial uses of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones and that of Wehrlite are cemetery markers, creating artwork, gemstone, jewelry.