Know all about Dolomite and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite belongs to Sedimentary Rocks while Trachyandesite belongs to Igneous Rocks.Texture of Dolomite is Earthy whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Dolomite appears Glassy or Pearly and Trachyandesite appears Dull and Soft. The luster of Dolomite is vitreous and pearly while that of Trachyandesite is earthy. Dolomite is available in black, brown, colourless, green, grey, pink, white colors whereas Trachyandesite is available in black, brown, light to dark grey 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 Trachyandesite are creating artwork, pottery.