 | Zolotarev, Andrey A., Zhitova, Elena S., Krzhizhanovskaya, Maria G., Rassomakhin, Mikhail A., Shilovskikh, Vladimir V., Krivovichev, Sergey V. (2019) Crystal Chemistry and High-Temperature Behaviour of Ammonium Phases NH4MgCl3·6H2O and (NH4)2Fe3+Cl5·H2O from the Burned Dumps of the Chelyabinsk Coal Basin. Minerals, 9 (8) 486 doi:10.3390/min9080486 | Journal (article/letter/editorial) | | NH4MgCl3·6H2O and (NH4)2Fe3+Cl5·H2O from the Burned Dumps of the Chelyabinsk Coal Basin Andrey A. Zolotarev Jr. 1...(NH4 )2 Fe3+ Cl5 ·H2 O from the burned dumps of the Chelyabinsk coal basin have been investigated by...novograblenovite; kremersite; Chelyabinsk coal basin; burned dumps; technogenic (anthropogenic) mineralogy;...ammonium phases from the burned dumps of the Chelyabinsk coal basin (Chelyabinsk Oblast, Russia). Nowadays...Nowadays the phases from that mine are considered as anthropogenic, despite the fact that eight phases from the |  | Galuskina, I. O., Lazic, B., Armbruster, T., Galuskin, E. V., Gazeev, V. M., Zadov, A. E., Pertsev, N. N., Jezak, L., Wrzalik, R., Gurbanov, A. G. (2009) Kumtyubeite Ca5(SiO4)2F2 — A new calcium mineral of the humite group from Northern Caucasus, Kabardino-Balkaria, Russia. American Mineralogist, 94 (10) 1361-1370 doi:10.2138/am.2009.3256 | Journal (article/letter/editorial) | | Mineralogist, Volume 94, pages 1361–1370, 2009 Kumtyubeite Ca5(SiO4)2F2—A new calcium mineral of the humite...Uniwersytecka 4, 40-007 Katowice, Poland 1 Abstract Kumtyubeite, Ca5(SiO4)2F2—the fluorine analog of reinhardbraunsite...te zones of skarn. The empirical formula of kumtyubeite from the holotype sample is Ca5(Si1.99Ti0.01)∑2O8(F1...following main absorption bands were observed in kumtyubeite FTIR spectra (cm–1): 427, 507, 530, 561, 638...(ν1), 849 (ν1), 901 (ν3), 925 (ν3), 3553 (νOH). Kumtyubeite with compositions between Ca5(SiO4)2F2 and Ca5(SiO4)2(OH1 |
|
