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Czech Republic | |
| Lapis 2002(7/8), 63-65 |
| Plášil, J., Dušek, M., Novák, M., Čejka, J., Císařová, I., Škoda, R. (2011) Sejkoraite-(Y), a new member of the zippeite group containing trivalent cations from Jachymov (St. Joachimsthal), Czech Republic: Description and crystal structure refinement. American Mineralogist, 96 (7) 983-991 doi:10.2138/am.2011.3713 |
| [var. Bismuth-bearing Tennantite] Velebil, D. & Sejkora, J. (2018): Bi-rich tennantites from Jáchymov (Czech Republic). Bull. Mineral. Petrol. 26, 213-222. [http://www.bullmineral.cz/en/paper/188] |