Know all about Picrite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Nephelinite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Nephelinite is Aphanitic. Picrite appears Rough and Shiny and Nephelinite appears Skeletal. The luster of Picrite is subvitreous to dull while that of Nephelinite is vitreous to metallic. Picrite and Nephelinite are available in black, brown, colourless, green, grey, pink, white, yellow 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 Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).