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Sejkoraite-(Y), a new member of the zippeite group containing trivalent cations from Jáchymov (St. Joachimsthal), Czech Republic: Description and crystal structure refinement.
Autoři | |
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Rok publikování | 2011 |
Druh | Článek v odborném periodiku |
Časopis / Zdroj | American Mineralogist |
Fakulta / Pracoviště MU | |
Citace | |
Doi | http://dx.doi.org/10.2138/am.2011.3713 |
Obor | Fyzika pevných látek a magnetismus |
Klíčová slova | sejkoraite-(Y); new mineral; uranyl; zippeite group; crystal structure; vibration spectroscopy; Jáchymov |
Popis | Sejkoraite-(Y) is a new member of the zippeite group from the Cervená vein, Jáchymov (Street Joachimsthal) ore district, Western Bohemia, Czech Republic. It grows on altered surface of relics of primary minerals: uraninite, chalcopyrite, and tennantite. The crystal structure of sejkoraite-(Y) has been solved by the charge flipping method from single-crystal X-ray diffraction data and refined to Robs = 0.060 with GOFobs = 2.38, based on 6511 observed reflections. Raman and infrared spectra of sejkoraite-(Y) are discussed. |
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