Results 81 to 90 of about 496 (100)
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The Canadian Mineralogist, 2001
Five new polytypes of parisite-(Ce) [CaCe2(CO3)(3)F-2] from a rare-carth-mineral deposit within an aegirine-bearing granite pluton in Sichuan Province, southwestern China, were found by HRTEM: 6R(2), 8H, 14H, 36R and 42R. These new polytypes are all long-period ordered stacking structures, which may result from the distribution and the periodic ...
D. Meng, X. Wu, T. Mou, D. Li
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Five new polytypes of parisite-(Ce) [CaCe2(CO3)(3)F-2] from a rare-carth-mineral deposit within an aegirine-bearing granite pluton in Sichuan Province, southwestern China, were found by HRTEM: 6R(2), 8H, 14H, 36R and 42R. These new polytypes are all long-period ordered stacking structures, which may result from the distribution and the periodic ...
D. Meng, X. Wu, T. Mou, D. Li
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Determination of six new polytypes in parisite-(Ce) by means of high resolution electron microscopy
Mineralogical Magazine, 2001AbstractThe ultrastructures of parisite-(Ce) from a rare-earth mineral deposit of Sichuan Province, southwest China, have been observed and investigated by selected area electron diffraction (SAED) and high resolution electron microscopy (HREM). Six new polytypes 4H, 10H, 16H, 18R, 24R and 30R were determined in parisite-(Ce), as were their crystal ...
Meng Dawei +3 more
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The crystal structure of parisite-(Ce), Ce2CaF2(CO3)3
American Mineralogist, 2000The crystal structure of parisite–(Ce) was solved and refined to R = 0.044, Rw = 0.037 using three–dimensional X–ray diffraction data (XRD). In contrast to the putative hexagonal cell, weak XRD maxima on precession films demonstrate that the parisite–(Ce) is monoclinic with a space group C 2/ c or Cc .
Yunxiang Ni +2 more
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Depression behavior and mechanism of sodium silicate on bastnaesite and parisite flotation
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2021Jieliang Wang, Zhao Cao
exaly
In Situ U–Th–Pb Dating of Parisite: Implication for the Age of Mineralization of Colombian Emeralds
Minerals (Basel, Switzerland), 2022Uwe Altenberger +2 more
exaly
The parisite–(Ce) enigma: challenges in the identification of fluorcarbonate minerals
Mineralogy and Petrology, 2020Manuela Zeug, Lutz Nasdala, Martin Ende
exaly
Mineralogical characterisation of the unusual gemstone parisite–(Ce)
2019Zeug, M. +8 more
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Bastnasite-(Ce) and parisite-(Ce) from Mount Malosa, Malawi
2010GUASTONI, ALESSANDRO +2 more
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