Know all about Dolomite and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite belongs to Sedimentary Rocks while Variolite belongs to Igneous Rocks.Texture of Dolomite is Earthy whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Dolomite appears Glassy or Pearly and Variolite appears Dull and Soft. The luster of Dolomite is vitreous and pearly while that of Variolite is not available. Dolomite is available in black, brown, colourless, green, grey, pink, white colors whereas Variolite 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 Variolite are cemetery markers, creating artwork.