About: The crystal structure of near-end-member ferroaxinite from an iron-contaminated pegmatite at Malesov, Czech Republic

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Description	We have characterized ferroaxinite (up to 95 mol.% of end-member composition) from a contaminated granitic pegmatite cutting the magnetite-rich portion of an Fe-skarn body near Malešov, Czech Republic, by means of electron-microprobe analysis, single-crystal X-ray diffraction, infrared spectroscopy and temperature-dependent 57Fe Mössbauer spectroscopy. The following crystal-chemical formula was obtained: VI[Ca2.00 Ca2.00 (Fe2+1.83Mn0.10Mg0.06)S1.99 (Al1.97Fe3+0.04)S2.01 Al2.00] IV[B2.00Si8.00] O30 OH2.00. The crystal structure was refined to R(F) = 0.0184 for 4667 observed reflections with Fo > 4s(Fo). We obtained the following unit-cell parameters: a 7.152(1), b 9.206(2), c 8.962(2) Å, a 91.84(3), b 98.17(3), g 77.33(3)°, V 569.86(19) Å3. Relative to the other end-members of axinite group, the only significant differences of structural parameters occur at the Y site, where Fe2+ atoms predominate; the mean Y?O bond length is 2.229 Å. The unusually long Fe?O(14) bond (2.704 Å) o We have characterized ferroaxinite (up to 95 mol.% of end-member composition) from a contaminated granitic pegmatite cutting the magnetite-rich portion of an Fe-skarn body near Malešov, Czech Republic, by means of electron-microprobe analysis, single-crystal X-ray diffraction, infrared spectroscopy and temperature-dependent 57Fe Mössbauer spectroscopy. The following crystal-chemical formula was obtained: VI[Ca2.00 Ca2.00 (Fe2+1.83Mn0.10Mg0.06)S1.99 (Al1.97Fe3+0.04)S2.01 Al2.00] IV[B2.00Si8.00] O30 OH2.00. The crystal structure was refined to R(F) = 0.0184 for 4667 observed reflections with Fo > 4s(Fo). We obtained the following unit-cell parameters: a 7.152(1), b 9.206(2), c 8.962(2) Å, a 91.84(3), b 98.17(3), g 77.33(3)°, V 569.86(19) Å3. Relative to the other end-members of axinite group, the only significant differences of structural parameters occur at the Y site, where Fe2+ atoms predominate; the mean Y?O bond length is 2.229 Å. The unusually long Fe?O(14) bond (2.704 Å) o (en)
Title	The crystal structure of near-end-member ferroaxinite from an iron-contaminated pegmatite at Malesov, Czech Republic The crystal structure of near-end-member ferroaxinite from an iron-contaminated pegmatite at Malesov, Czech Republic (en)
skos:prefLabel	The crystal structure of near-end-member ferroaxinite from an iron-contaminated pegmatite at Malesov, Czech Republic The crystal structure of near-end-member ferroaxinite from an iron-contaminated pegmatite at Malesov, Czech Republic (en)
skos:notation	RIV/61989592:15310/06:00003343!RIV10-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0512), Z(AV0Z20410507), Z(MSM6198959218)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Filip, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	470047
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/06:00003343
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ferroaxinite; axinite group; elektron-microprobe analysis; structure refinement; (57)Fe Mössbauer spectroscopy; granitic pegmatite; Malesov; Czech Republic (en)
http://linked.open.../riv/klicoveSlovo	Czech Republic (57)Fe Mössbauer spectroscopy Malesov axinite group elektron-microprobe analysis ferroaxinite granitic pegmatite structure refinement
http://linked.open...odStatuVydavatele	CA - Kanada
http://linked.open...ontrolniKodProRIV	[006323E4F28C]
http://linked.open...i/riv/nazevZdroje	Canadian Mineralogist
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Research center of powdered nanomaterials
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	44
http://linked.open...iv/tvurceVysledku	Filip, Jan Novák, Milan Schneeweiss, Oldřich Kolitsch, Uwe
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing Komplexní sloučeniny a oxidy přechodných kovů s využitím v bioaplikacích a nanotechnologiích
issn	0008-4476
number of pages	12 (xsd:int)
http://localhost/t...ganizacniJednotka	15310
is http://linked.open...avai/riv/vysledek of	The crystal structure of near-end-member ferroaxinite from an iron-contaminated pegmatite at Malesov, Czech Republic The crystal structure of near-end-member ferroaxinite from an iron-contaminated pegmatite at Malesov, Czech Republic

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