| 1. | Like all rare earth metals, cerium is of low to moderate toxicity.
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| 2. | Kyrgyzstan has significant deposits of metals including gold and rare earth metals.
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| 3. | It banned the export of gold, vanadium, titanium, and rare earth metals.
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| 4. | MgFeSi contains 3 42 % magnesium and small amounts of rare earth metals.
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| 5. | North Korea has been reported to have sold rare earth metals to China.
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| 6. | Where present, rare earth metals tend to associate with phosphate minerals.
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| 7. | Later, it also started to extract rare earth metal oxides.
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| 8. | Why do the rare earth metals behave very chemically similar?
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| 9. | During this time the mine supplied most of the worldwide rare earth metals consumption.
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| 10. | Bastn�site ore is typically used to produce rare earth metals.
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