Know all about Greywacke and Litchfieldite properties here. All properties of rocks are important as they define the type of rock and its application. Greywacke belongs to Sedimentary Rocks while Litchfieldite belongs to Igneous Rocks.Texture of Greywacke is Clastic whereas that of Litchfieldite is Granular. Greywacke appears Dull and Litchfieldite appears Banded and Foilated. The luster of Greywacke is dull while that of Litchfieldite is greasy to dull. 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 Litchfieldite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones and that of Litchfieldite are creating artwork.