Know all about Dolomite and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite belongs to Sedimentary Rocks while Pseudotachylite belongs to Metamorphic Rocks.Texture of Dolomite is Earthy whereas that of Pseudotachylite is Quench. Dolomite appears Glassy or Pearly and Pseudotachylite appears Dull and Soft. The luster of Dolomite is vitreous and pearly while that of Pseudotachylite is vitreous. Dolomite and Pseudotachylite are available in black, brown, colourless, green, grey, pink, white 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 Pseudotachylite are creating artwork, gemstone.