Know all about Picrite and Charnockite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Charnockite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Charnockite is Granular. Picrite appears Rough and Shiny and Charnockite appears Veined or Pebbled. The luster of Picrite is subvitreous to dull while that of Charnockite is not available. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Charnockite 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 Charnockite are curling, gemstone, laboratory bench tops, tombstones.