Know all about Picrite and Carbonatite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Carbonatite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Carbonatite is Granular, Poikiloblastic. Picrite appears Rough and Shiny and Carbonatite appears Dull, Banded and Foilated. The luster of Picrite and Carbonatite is subvitreous to dull. Picrite and Carbonatite are available in black, brown, colourless, green, grey, pink, white, yellow 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 Carbonatite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux.