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