Know all about Picrite and Shonkinite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Shonkinite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Shonkinite is Earthy. Picrite appears Rough and Shiny and Shonkinite appears Banded and Foilated. The luster of Picrite and Shonkinite is subvitreous to dull. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Shonkinite is available in brown, buff, cream, green, grey, pink, white 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 Shonkinite are cemetery markers, creating artwork.