All about Greywacke and Anorthosite Properties
Know all about Greywacke and Anorthosite properties here. All properties of rocks are important as they define the type of rock and its application. Greywacke belongs to Sedimentary Rocks while Anorthosite belongs to Igneous Rocks.Texture of Greywacke is Clastic whereas that of Anorthosite is Foliated, Glassy. Greywacke appears Dull and Anorthosite appears Layered, Banded, Veined and Shiny. The luster of Greywacke is dull while that of Anorthosite is pearly to subvitreous. 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 Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors. The commercial uses of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones and that of Anorthosite are creating artwork, curling.