Structure of Gallobicchulite. A Combined EXAFS/Neutron Powder Diffraction Refinement
作者： N. Binsted , S. E. Dann , M. J. Pack , M. T. Weller
DOI: 10.1107/S0108768198000548
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摘要: A new model for the structure of gallobicchulite, Ca8(Ga2SiO6)4(OH)8, has been derived from a combined refinement EXAFS and neutron powder diffraction data. The is based on pseudo-cubic ordered unit cell, related to that tugtupite, with long-range disorder owing domains in three orientations parallel cubic faces.
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