40 Common Minerals and Their Uses - National Mining AssociationRock composed of hydrated aluminum oxides. . the gem stones emerald and aquamarine. It . Chromite. The U.S. consumes about 6 percent of world chromite ore production in various forms .. the Philippines, Indonesia, Russia, Australia.chromite ores in philippine rock stones,Chromite: The mineral Chromite information and . - MineralsChromite, the principle ore of the element chromium, is a commercially . veins, as rounded pebbles, in rounded grains, and in nodular blobs embedded in rock. . of Chromite exist in Russia, India, Kazakstan, the Philippines, New Caledonia,.2011 PY_Mines and Minerals - Philippine Statistics AuthorityThe mining industry in the Philippines produces wide variety of minerals from precious metals . rock aggregates, stone, diorite and serpentine. While there are.
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