| 词汇 | xenotime |
| 释义 | BETA Examples of xenotimexenotime isn’t in the Cambridge Dictionary yet. You can help! Accessory minerals include zircon, monazite, xenotime, thorite and apatite. Similar compositions are found in xenotime or gadolinite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Rare earth elements are found in the minerals bastnsite, loparite, xenotime, and monazite in mineable quantities. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Due to uranium and thorium impurities, some xenotime specimens may be weakly to strongly radioactive. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The refractive index of xenotime is 1.720-1.815 with a birefringence of 0.095 (uniaxial positive). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Unlike xenotime, it is more favorable for wakefieldite to contain the lighter rare earth elements over the heavier ones. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These include peridot, aquamarine, topaz, ruby, emerald, rare-earth minerals bastnaesite and xenotime, sphene, tourmaline, and many varieties and types of quartz. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The element is also found in euxenite and xenotime. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Well-known minerals containing yttrium include gadolinite, xenotime, samarskite, euxenite, fergusonite, yttrotantalite, yttrotungstite, yttrofluorite (a variety of fluorite), thalenite, yttrialite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Terbium is never found in nature as a free element, but it is contained in many minerals, including cerite, gadolinite, monazite, xenotime and euxenite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Xenotime is used chiefly as a source of yttrium and heavy lanthanide metals (dysprosium, ytterbium, erbium, and gadolinium). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many minerals contain europium, with the most important sources being bastnsite, monazite, xenotime and loparite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Associated minerals include monazite, bastnasite, xenotime, thorite, zircon, apatite, rutile and hematite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In terms of crystal structure, it is the vanadate analog of the rare earth phosphate mineral xenotime. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Dating has been carried out on xenotime and monazite samples, from a fine-grained granite and the main coarse-grained granite respectively. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Lithiophyllite, monazite, and purpurite are sometimes grouped with xenotime in the informal anhydrous phosphates group. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Occasionally, gemstones are also cut from the finer xenotime crystals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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