Know all about Dolomite and Picrite properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite belongs to Sedimentary Rocks while Picrite belongs to Igneous Rocks.Texture of Dolomite is Earthy whereas that of Picrite is Earthy, Rough. Dolomite appears Glassy or Pearly and Picrite appears Rough and Shiny. The luster of Dolomite is vitreous and pearly while that of Picrite is subvitreous to dull. Dolomite is available in black, brown, colourless, green, grey, pink, white colors whereas Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors. The commercial uses of Dolomite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo).