Know all about Basanite and Greywacke properties here. All properties of rocks are important as they define the type of rock and its application. Basanite belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks.Texture of Basanite is Aphanitic to Porphyritic whereas that of Greywacke is Clastic. Basanite appears Glassy or Pearly and Greywacke appears Dull. The luster of Basanite is waxy and dull while that of Greywacke is dull. Basanite is available in black, brown, green, grey, red, 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 Basanite are as a touchstone, creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms and that of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones.