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