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