| 41. | It also provides a source of unusual mineral specimens and rare earth elements ( REE ) extraction.
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| 42. | The magnetic medium are typically amorphous R-FeCo thin film ( R being a rare earth element ).
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| 43. | The earth element attacks Luna, killing him.
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| 44. | Bastn�site and the phosphate mineral monazite are the two largest sources of cerium and other rare earth elements.
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| 45. | Rare earth elements are strongly enriched.
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| 46. | This is Earth element ruler Saturn.
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| 47. | Rare earth elements are popular dopants.
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| 48. | The IIG said it did not find data supporting the presence of rhenium or any other rare earth element.
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| 49. | Depletion or enrichment of europium in minerals relative to other rare earth elements is known as the europium anomaly.
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| 50. | Fire ( red ) which produces earth ( yellow ) is suitable for those born under the earth element.
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