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