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Differences in Accumulation of Rare Earth Elements by Plants Cultivated in Soil and Substrates from Industrial Waste Materials. [PDF]
Plants (Basel)Gmur D, Siebielec G, Pecio M.
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Hydrophobicity of Rare Earth Oxides: Contrasting Perspectives and Emerging Insights. [PDF]
Cryst Growth DesPatel JK, Parkin IP, Carmalt CJ.
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Response of xenotime to prograde metamorphism [PDF]
Contributions To Mineralogy and Petrology, 2011 Xenotime is a widespread accessory mineral in lower greenschist to upper amphibolite facies metasedimentary rocks from the Palaeoproterozoic Mount Barren Group, southwestern Australia. Xenotime is closely associated with detrital zircon, commonly forming syntaxial outgrowths, in samples of sandstone, micaceous quartzite, slate, phyllite, garnet-bearing
Birger Rasmussen +2 more
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Froth flotation of monazite and xenotime
Minerals Engineering, 1993Abstract The flotation of monazite and xenotime using sodium oleate as collector has been investigated using a modified Hallimond tube and also by a technique which measures particle-bubble adhesion strength. The zeta potential of both minerals was also measured.
Ta-Wui Cheng, Tam Tran
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Hydrothermal Synthesis of Xenotime‐Type Gadolinium Orthophosphate [PDF]
Journal of the American Ceramic Society, 2002 Xenotime‐type GdPO 4 (tetragonal, I 4 1 / amd ) has been synthesized hydrothermally at 400°C.
Celebi, AS, Kolis, JW
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Processing of xenotime concentrate
Hydrometallurgy, 1998Xenotime is a rare earth phosphate mineral which is a rich source of yttrium and heavy rare earths. Earlier experimental studies have been carried out in this laboratory on the chemical processing of hand-sorted xenotime obtained from the Bihar region to rare earth oxide intermediates.
A K Suri, C K Gupta
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Paragenesis and composition of xenotime-(Y) and florencite-(Ce) from unconformity-related heavy rare earth element mineralization of northern Western Australia [PDF]
Mineralogy and Petrology, 2019 This study investigates the paragenesis and ore mineral composition of xenotime [(Y,HREE)PO4] and florencite [LREEAl3(PO4)(2)(OH)(6)] from heavy rare earth element (HREE) deposits/prospects of the Tanami and Hall Creek regions of Western Australia.
Carl Spandler, Spandler Carl
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Actinide valences in xenotime and monazite
Journal of Nuclear Materials, 2011Abstract Tetravalent U, Np and Pu can be substituted by ceramic methods into the rare earth site of xenotime and monazite in air atmospheres using Ca ions as charge compensators, while no evidence of penta- or hexavalent actinide ions was found. Some Pu3+ and Np3+ can be incorporated in xenotime samples fired in a reducing atmosphere.
E.R. Vance +3 more
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Melting Temperatures of Monazite and Xenotime
Journal of the American Ceramic Society, 1987The melting temperatures of natural and synthetic monazite and xenotime (rare‐earth ortnophosphates) were measured, using a heliostat‐type solar furnace. The results obtained are as follows: natural monazite from Japan (2057°40°C), synthetic monazite RPO 4 (R=La, 2072°20°C; R=Ce, 2045°20°C; R=
Yasuo Hikichi, Tsuyoshi Nomura
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Shocker: xenotime can date impacts
2023Constraining precise ages for impact events is crucial in establishing Earth’s history, and several geochronometers have been developed to date impacts. We present electron backscatter diffraction (EBSD), sensitive high-resolution ion microprobe (SHRIMP) and atom probe tomography (APT) data from shocked xenotime [(Y,HREE)PO4] collected from ...
Cilva Joseph +8 more
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