Chromite | Earth Sciences Museum | University of WaterlooBack to Rocks and Minerals Articles Kathy Feick. . Chromite is the main source of the metal chromium, a metal used to induce hardness, toughness and.chromium ore used,USGS Minerals Information: ChromiumChromium use in iron, steel, and nonferrous alloys enhances hardenability and resistance to corrosion and oxidation. The use of chromium to produce stainless.
chromium ore used