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@article{1641532, author = {Chukanov, N.V. and Aksenov, S.M. and Kasatkin, A.V. and Škoda, Radek and Nestola, F. and Nodari, L. and Ryanskaya, A.D. and Rastsvetaeva, R.K.}, article_location = {NEW YORK}, article_number = {10}, doi = {http://dx.doi.org/10.1007/s00269-019-01049-7}, keywords = {Oxyphlogopite; 3T polytype; Crystal structure; IR spectroscopy; Raman spectroscopy; Mossbauer spectroscopy}, language = {eng}, issn = {0342-1791}, journal = {Physics and Chemistry of Minerals}, title = {3T polytype of an iron-rich oxyphlogopite from the Bartoy volcanic field, Transbaikalia: Mossbauer, infrared, Raman spectroscopy, and crystal structure}, url = {https://link.springer.com/article/10.1007/s00269-019-01049-7}, volume = {46}, year = {2019} }
TY - JOUR ID - 1641532 AU - Chukanov, N.V. - Aksenov, S.M. - Kasatkin, A.V. - Škoda, Radek - Nestola, F. - Nodari, L. - Ryanskaya, A.D. - Rastsvetaeva, R.K. PY - 2019 TI - 3T polytype of an iron-rich oxyphlogopite from the Bartoy volcanic field, Transbaikalia: Mossbauer, infrared, Raman spectroscopy, and crystal structure JF - Physics and Chemistry of Minerals VL - 46 IS - 10 SP - 899-908 EP - 899-908 PB - SPRINGER SN - 03421791 KW - Oxyphlogopite KW - 3T polytype KW - Crystal structure KW - IR spectroscopy KW - Raman spectroscopy KW - Mossbauer spectroscopy UR - https://link.springer.com/article/10.1007/s00269-019-01049-7 L2 - https://link.springer.com/article/10.1007/s00269-019-01049-7 N2 - The Mossbauer, infrared and Raman spectra of iron-rich oxyphlogopite from a new locality, the Bartoy occurrence, Transbaikalia, Russia were obtained and its crystal structure was solved. The mineral is characterized by the absence of OH groups and ordered distribution of Fe2+ and Fe3+ between sites having octahedral coordination. Unlike oxyphlogopite holotype sample which is monoclinic (1M polytype), iron-rich oxyphlogopite belongs to the 3T polytype (space group P3(1)12) with the unit-cell parameters a = 5.3248(2) angstrom, c = 29.788(3) angstrom, V = 731.44(8) angstrom(3). Its refined crystal-chemical formula is (Z = 3): (A)(K0.9Na0.1) [(M1)(Fe0.62+Mg0.4) (M2)(Fe0.43+Ti0.4Mg0.2) (M3)(Mg0.4Fe0.33+Ti0.2Al0.1)] [(T1,2)(Si0.7Al0.3)(2)O-5](2)(X)(O0.9F0.1)(2). ER -
CHUKANOV, N.V., S.M. AKSENOV, A.V. KASATKIN, Radek ŠKODA, F. NESTOLA, L. NODARI, A.D. RYANSKAYA a R.K. RASTSVETAEVA. 3T polytype of an iron-rich oxyphlogopite from the Bartoy volcanic field, Transbaikalia: Mossbauer, infrared, Raman spectroscopy, and crystal structure. \textit{Physics and Chemistry of Minerals}. NEW YORK: SPRINGER, 2019, roč.~46, č.~10, s.~899-908. ISSN~0342-1791. Dostupné z: https://dx.doi.org/10.1007/s00269-019-01049-7.
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