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