 | Juroszek, Rafał, Krüger, Biljana, Galuskina, Irina, Krüger, Hannes, Vapnik, Yevgeny, Galuskin, Evgeny (2020) Siwaqaite, Ca6Al2(CrO4)3(OH)12·26H2O, a new mineral of the ettringite group from the pyrometamorphic Daba-Siwaqa complex, Jordan. American Mineralogist, 105 (3) 409-421 doi:10.2138/am-2020-7208 | Journal (article/letter/editorial) | | group from the pyrometamorphic Daba-Siwaqa complex, Jordan Rafał Juroszek1,*, Biljana Krüger2, Irina Galuskina1...Siwaqa complex, Lisdan-Siwaqa Fault, Hashem region, Jordan. This complex belongs to the widespread pyrometamorphic...occurs with calcite and minerals of the baryte-hashemite series. It forms hexagonal prismatic crystals...group, crystal structure, Raman, FTIR, Daba-Siwaqa, Jordan Introduction Siwaqaite, Ca6Al2(CrO4)3(OH)12·26H2O...Siwaqa complex, Lisdan-Siwaqa Fault, Hashem region, Jordan (31°24.15ʹN; 36°14.34ʹE). Ettringite, Ca6Al2(SO4)3(OH)12·26H2O |  | Juroszek, Rafał, Krüger, Biljana, Galuskina, Irina, Krüger, Hannes, Tribus, Martina, Kürsten, Christian (2019) Raman Spectroscopy and Single-Crystal High-Temperature Investigations of Bentorite, Ca6Cr2(SO4)3(OH)12·26H2O. Minerals, 10 (1) 38 doi:10.3390/min10010038 | Journal (article/letter/editorial) | | a few works concerning the ettringite-bentorite series. At the Ma’ale Adummim locality, hexagonal prismatic...corresponds to the ettringite-bentorite solid solution series up to a Cr end-member content of 60% [3]. Furthermore...samples. Accessory minerals were represented by baryte, gibbsite, hydrocalumite, sphalerite, and pyrite...ettringite [18]. Minerals of the ettringite-bentorite series were also identified at Ma’ale Adummim locality...silicate hydrates, and minerals of the baryte-hashemite series form the low temperature hydrothermal assemblages |
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