Know all about Greywacke and Diamictite properties here. All properties of rocks are important as they define the type of rock and its application. Greywacke and Diamictite belong to Sedimentary Rocks.Texture of Greywacke is Clastic whereas that of Diamictite is Clastic. Greywacke appears Dull and Diamictite appears Banded. The luster of Greywacke is dull while that of Diamictite is grainy, pearly and vitreous. 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 Diamictite is available in brown, buff colors. The commercial uses of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones and that of Diamictite are commemorative tablets, creating artwork, production of lime.