Know all about Greywacke and Laterite properties here. All properties of rocks are important as they define the type of rock and its application. Greywacke and Laterite belong to Sedimentary Rocks.Texture of Greywacke is Clastic whereas that of Laterite is Earthy, Massive, Porphyritic. Greywacke appears Dull and Laterite appears Rough and Banded. The luster of Greywacke and Laterite is 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 Laterite is available in brown, buff, red colors. The commercial uses of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones and that of Laterite are an oil and gas reservoir, source of bauxite, used in aquariums.