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