Know all about Granite and Greywacke properties here. All properties of rocks are important as they define the type of rock and its application. Granite belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks.Texture of Granite is Granular, Phaneritic whereas that of Greywacke is Clastic. Granite appears Veined or Pebbled and Greywacke appears Dull. The luster of Granite is dull to grainy with sporadic parts pearly and vitreous while that of Greywacke is dull. Granite is available in black, grey, orange, pink, 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 Granite are curling, gemstone, laboratory bench tops, tombstones, used in aquariums and that of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones.