Know all about Greywacke and Monzogranite properties here. All properties of rocks are important as they define the type of rock and its application. Greywacke belongs to Sedimentary Rocks while Monzogranite belongs to Igneous Rocks.Texture of Greywacke is Clastic whereas that of Monzogranite is Porphyritic. Greywacke appears Dull and Monzogranite appears Veined or Pebbled. The luster of Greywacke is dull while that of Monzogranite is dull to grainy with sporadic parts 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 Monzogranite is available in black, grey, orange, pink, white colors. The commercial uses of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones and that of Monzogranite are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.