Know all about Picrite and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Picrite is Earthy, Rough whereas that of Mylonite is Foliated. Picrite appears Rough and Shiny and Mylonite appears Dull, Banded and Foilated. The luster of Picrite is subvitreous to dull while that of Mylonite is shiny. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Mylonite is available in black to grey 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 Mylonite are creating artwork, gemstone, jewelry.