Know all about Dolomite and Diabase properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite belongs to Sedimentary Rocks while Diabase belongs to Igneous Rocks.Texture of Dolomite is Earthy whereas that of Diabase is Aphanitic, Granular. Dolomite appears Glassy or Pearly and Diabase appears Vesicular. The luster of Dolomite is vitreous and pearly while that of Diabase is not available. Dolomite is available in black, brown, colourless, green, grey, pink, white colors whereas Diabase is available in dark grey to black 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 Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.