Know all about Serpentinite and Picrite properties here. All properties of rocks are important as they define the type of rock and its application. Serpentinite belongs to Metamorphic Rocks while Picrite belongs to Igneous Rocks.Texture of Serpentinite is Earthy whereas that of Picrite is Earthy, Rough. Serpentinite appears Rough and Dull and Picrite appears Rough and Shiny. The luster of Serpentinite is waxy and dull while that of Picrite is subvitreous to dull. Serpentinite is available in black, brown, colourless, green, grey, white colors whereas Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors. The commercial uses of Serpentinite are commemorative tablets, creating artwork and that of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo).