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Iron-Formation: Facts and Problems
Iron ores --- Iron ores. --- Rock-forming minerals. --- Rockforming minerals --- Minerals --- Ores
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Zircon. --- Olivine. --- Rock-forming minerals. --- Rockforming minerals --- Minerals --- Chrysolite --- Chrysolith --- Emerald, Evening --- Evening emerald --- Peridot --- Rock-forming minerals --- Silicate minerals --- Precious stones
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