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