NEW INSIGHT INTO THE CRYSTAL STRUCTURE OF ORTHORHOMBIC EDINGTONITE: EVIDENCE FOR A SPLIT BA SITE
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dc.contributor.author | Gatta G.D. | |
dc.contributor.author | Ballaran T.B. | |
dc.date.accessioned | 2022-04-18T05:17:17Z | |
dc.date.available | 2022-04-18T05:17:17Z | |
dc.date.issued | 2004 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=14529528 | |
dc.identifier.citation | Mineralogical Magazine, 2004, 68, 1, 167-175 | |
dc.identifier.issn | 0026-461X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/37245 | |
dc.description.abstract | Orthorhombic edingtonite has been found coexisting with tetragonal edingtonite in a specimen from Ice River, British Columbia, Canada. We report data on the composition and crystal structure of the orthorhombic sample. Lattice parameters are: a = 9.5341(6), b = 9.6446(6), c = 6.5108(7)Å, V = 598.68(8)Å ³ . The crystal structure was refined in space group P 2 1 2 1 2 to R1 = 1.8% using 879 observed reflections. For the first time, evidence for splitting of the extra-framework Ba site in two different sites (Ba1, Ba2), ~0.37 Å apart, is demonstrated. A comparison with the published crystal structures of tetragonal and orthorhombic edingtonite is made. The present result supports the suggestion that the two edingtonite phases are a consequence of different nucleation phenomena and not different physicochemical conditions. | |
dc.subject | edingtonite | |
dc.title | NEW INSIGHT INTO THE CRYSTAL STRUCTURE OF ORTHORHOMBIC EDINGTONITE: EVIDENCE FOR A SPLIT BA SITE | |
dc.type | Статья |
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