Know all about Larvikite and Greywacke properties here. All properties of rocks are important as they define the type of rock and its application. Larvikite belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks.Texture of Larvikite is Phaneritic whereas that of Greywacke is Clastic. Larvikite appears Shiny and Greywacke appears Dull. The luster of Larvikite is subvitreous to dull while that of Greywacke is dull. Larvikite is available in black, brown, light to dark 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 Larvikite are cemetery markers, commemorative tablets, creating artwork and that of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones.