CATION PARTITIONING IN AN UNUSUAL STRONTIAN POTASSICRICHTERITE FROM SIBERIA: RIETVELD STRUCTURE REFINEMENT AND MOSSBAUER SPECTROSCOPY

dc.contributor.author	Sokolova E.V.
dc.contributor.author	Kabalov Yu.K.
dc.contributor.author	Mccammon C.
dc.contributor.author	Schneider J.
dc.contributor.author	Konev A.A.
dc.date.accessioned	2021-01-29T03:36:32Z
dc.date.available	2021-01-29T03:36:32Z
dc.date.issued	2000
dc.identifier	https://elibrary.ru/item.asp?id=13356186
dc.identifier.citation	Mineralogical Magazine, 2000, 64, 1, 19-23
dc.identifier.issn	0026-461X
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/23936
dc.description.abstract	The crystal structure of strontian potassicrichterite (Mg4.871Fe~+126Mno.052h5.049 (NaL425CaO.348SrO.297)r2.07Ko.873Si8.04802iOHhI5 - an unusual amphibole containing up to 3.7 wt.% SrO from the Murun alkaline massif, Eastern Siberia has been refined from X-ray powder diffraction data in monoclinic space group C2/m, with a = 10.0325(1) A, b = 17.977(1) A, c = 5.2698(1) A, and ~ = 104.70(lt. According to Mossbauer spectroscopy, nearly all iron occurs as Fe3+ in octahedral coordination. Rietveld refinement shows the Fe3+ to be ordered onto the M(2) site. Sr is completely ordered onto M(4).
dc.title	CATION PARTITIONING IN AN UNUSUAL STRONTIAN POTASSICRICHTERITE FROM SIBERIA: RIETVELD STRUCTURE REFINEMENT AND MOSSBAUER SPECTROSCOPY
dc.type	Статья

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