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