Xenotime
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Xenotime is a rare earth phosphate mineral, whose major component is yttrium orthophosphate (YPO4). It forms a solid solution series with chernovite-(Y) (YAsO4) and therefore may contain trace impurities of arsenic, as well as silicon dioxide and calcium. The Rare Earths dysprosium, erbium, terbium, and ytterbium, and metal elements like thorium and uranium (all replacing yttrium) are the expressive secondary components of xenotime. Due to uranium and thorium impurities, some xenotime specimens may be weakly to strongly radioactive. Lithiophyllite, monazite, and purpurite are sometimes grouped with xenotime in the informal "anhydrous phosphates" group. Xenotime is used chiefly as a source of yttrium and heavy lanthanide metals (dysprosium, ytterbium, erbium, and gadolinium). Occasionally, gemstones are also cut from the finer xenotime crystals.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130905606
- Genre Geowissenschaften
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Anzahl Seiten 124
- Herausgeber Betascript Publishing
- Größe H220mm x B220mm
- EAN 9786130905606
- Format Fachbuch
- Titel Xenotime
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