Know all about Granodiorite and Picrite properties here. All properties of rocks are important as they define the type of rock and its application. Granodiorite and Picrite belong to Igneous Rocks.Texture of Granodiorite is Granular, Phaneritic whereas that of Picrite is Earthy, Rough. Granodiorite appears Veined or Pebbled and Picrite appears Rough and Shiny. The luster of Granodiorite is grainy, pearly and vitreous while that of Picrite is subvitreous to dull. Granodiorite is available in black, grey, orange, pink, white colors whereas Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors. The commercial uses of Granodiorite are curling, gemstone, laboratory bench tops, tombstones and that of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo).