Know all about Picrite and Anorthosite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Anorthosite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Anorthosite is Foliated, Glassy. Picrite appears Rough and Shiny and Anorthosite appears Layered, Banded, Veined and Shiny. The luster of Picrite is subvitreous to dull while that of Anorthosite is pearly to subvitreous. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish 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 Anorthosite are creating artwork, curling.