Dolomite is used as an ornamental stone, a concrete aggregate, and a source of magnesium oxide, as well as in the Pidgeon process for the production of magnesium. ... Argori, P.S. Sankrail, Near khetan electronics, Dist.-Howrah, Pin-711302, India. Supply Distribution Area : Haldia, Kolkata, Buz Buz, Paradip, Dhamra CALL US : 0091 …