Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Crystal chemistry of pyroaurite from the Kovdor massif (Kola Peninsula, Russia) and Långban Fe-Mn deposit (Värmland, Sweden). / Zhitova, E. S.; Ivanyuk, G. Yu; Krivovichev, S. V.; Yakovenckuk, V. N.; Pakhomovsky, Ya A.; Mikhailova, Yu A.
в: Zapiski Rossiiskogo Mineralogicheskogo Obshchestva, Том 145, № 3, 01.01.2016, стр. 81-94.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Crystal chemistry of pyroaurite from the Kovdor massif (Kola Peninsula, Russia) and Långban Fe-Mn deposit (Värmland, Sweden)
AU - Zhitova, E. S.
AU - Ivanyuk, G. Yu
AU - Krivovichev, S. V.
AU - Yakovenckuk, V. N.
AU - Pakhomovsky, Ya A.
AU - Mikhailova, Yu A.
PY - 2016/1/1
Y1 - 2016/1/1
N2 - Samples of pyroaurite [Mg 6 Fe 2 3+ (OH) 16 ][(CO 3 )(H 2 O)] from the Kovdor massif (Kola Peninsula, Russia) and Långban deposit (Filipstad, Värmland, Sweden) were studied by single-crystal and powder X-ray diffraction, electron microprobe analysis and Raman spectroscopy. Both samples are rhombohedral, R3m, a = 3.126(3), c = 23.52(2) Å (Kovdor), and a = 3.1007(9), c = 23.34(1) (Långban). Powder X-ray diffraction revealed presence of only 3R polytype at the recorded pattern. M 2+ : M 3+ ratio was determined as ~3.1-3.2 (Kovdor) and ~3.0 (Långban). Raman band in 3500-3400 cm -1 confirms presence of water and/or hydroxyl groups in the composition, while bands at 1346 and 1058 cm -1 are characteristic for carbonate groups. On the base of obtained data, samples should be identified as pyroaurite-3R (the hydrotalcite group).
AB - Samples of pyroaurite [Mg 6 Fe 2 3+ (OH) 16 ][(CO 3 )(H 2 O)] from the Kovdor massif (Kola Peninsula, Russia) and Långban deposit (Filipstad, Värmland, Sweden) were studied by single-crystal and powder X-ray diffraction, electron microprobe analysis and Raman spectroscopy. Both samples are rhombohedral, R3m, a = 3.126(3), c = 23.52(2) Å (Kovdor), and a = 3.1007(9), c = 23.34(1) (Långban). Powder X-ray diffraction revealed presence of only 3R polytype at the recorded pattern. M 2+ : M 3+ ratio was determined as ~3.1-3.2 (Kovdor) and ~3.0 (Långban). Raman band in 3500-3400 cm -1 confirms presence of water and/or hydroxyl groups in the composition, while bands at 1346 and 1058 cm -1 are characteristic for carbonate groups. On the base of obtained data, samples should be identified as pyroaurite-3R (the hydrotalcite group).
KW - Kovdor
KW - Långban
KW - Pyroaurite
UR - http://www.scopus.com/inward/record.url?scp=85057591702&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:85057591702
VL - 145
SP - 81
EP - 94
JO - ЗАПИСКИ РОССИЙСКОГО МИНЕРАЛОГИЧЕСКОГО ОБЩЕСТВА
JF - ЗАПИСКИ РОССИЙСКОГО МИНЕРАЛОГИЧЕСКОГО ОБЩЕСТВА
SN - 0869-6055
IS - 3
ER -
ID: 45849596