European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 32, issue 5
Articles | Volume 32, issue 5
https://doi.org/10.5194/ejm-32-545-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-32-545-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 32, issue 5
Research article
 | 
23 Oct 2020
Research article |  | 23 Oct 2020

Structural study of decrespignyite-(Y), a complex yttrium rare earth copper carbonate chloride, by three-dimensional electron and synchrotron powder diffraction

Jordi Rius, Fernando Colombo, Oriol Vallcorba, Xavier Torrelles, Mauro Gemmi, and Enrico Mugnaioli

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Andrusenko, I., Krysiak, Y., Mugnaioli, E., Gorelik, T. E., Nihtianova, D., and Kolb, U.: Structural insights into M2O–Al2O3–WO3 (M= Na, K) system by electron diffraction tomography, Acta Crystall. B-Stru., 71, 349–357, https://doi.org/10.1107/S2052520615007994, 2015. 
Camalli, M., Carrozzini, B., Cascarano, G. L., and Giacovazzo, C.: Automated determination of the extinction symbol via electron diffraction data, J. Appl. Crystall., 45, 351–356, https://doi.org/10.1107/S0021889812003317, 2012. 
Capitani, G. C., Mugnaioli, E., Rius, J., Gentile, P., Catelani, T., Lucotti, A., and Kolb, U.: The Bi sulfates from the Alfenza Mine, Crodo, Italy: An automatic electron diffraction tomography (ADT) study, Am. Mineral., 99, 500–510, https://doi.org/10.2138/am.2014.4446, 2014. 
Dedert, P. L., Sorrell, T., Marks, T. J., and Ibers, J. A.: Oxygenation of [tris (2-pyridyl) amine](trifluoromethanesulfonato) copper (I) in nonaqueous solvents. Synthesis and structural characterization of the cubane-like cluster Cu4(OH)4(SO3CF3)2[N(C5H4N)3]4] [SO3CF3]2. C3H6O, Inorg. Chem., 21, 3506–3517, https://doi.org/10.1021/ic00139a047, 1982. 
Fauth, F., Peral, I., Popescu, C., and Knapp, M.: The new Material Science Powder Diffraction beamline at ALBA Synchrotron, Powder Diffr., 28, S360–S370, https://doi.org/10.1017/S0885715613000900, 2013. 
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The crystal structure of the mineral decrespignyite-(Y) from the Paratoo copper mine (South Australia) has been obtained by applying δ recycling direct methods to 3D electron diffraction data followed by Rietveld refinements of synchrotron powder diffraction data. Its structure mainly shows a metal layer sequence of polyhedra interconnecting hexanuclear (octahedral) oxo-hydroxo yttrium clusters along a ternary axis or tilted clusters to hetero-tetranuclear ones hosting Cu, Y and rare earths.
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