Know all about Dolomite and Trachyte properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite belongs to Sedimentary Rocks while Trachyte belongs to Igneous Rocks.Texture of Dolomite is Earthy whereas that of Trachyte is Aphanitic to Porphyritic. Dolomite appears Glassy or Pearly and Trachyte appears Banded. The luster of Dolomite is vitreous and pearly while that of Trachyte is metallic. Dolomite is available in black, brown, colourless, green, grey, pink, white colors whereas Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, 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 Trachyte are cemetery markers, creating artwork.