Know all about Picrite and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Gabbro belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Gabbro is Phaneritic. Picrite appears Rough and Shiny and Gabbro appears Veined and Shiny. The luster of Picrite is subvitreous to dull while that of Gabbro is not available. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Gabbro is available in dark grey to black 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 Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.