Powellite from Turkestan
Kazakhstan | |
| Jeremolenko, V. (2002): Kara-Oba: Mineralogische Perle der Betpak-Ebene bei Dzhambul, Kasachstan. Lapis 27 (4), 13-34 + 50 Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30 |
| Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp. |
Russia | |
| Potseluev, A.A., Babkin, D.I., and Kotegov, V.I. (2006): Geology of Ore Deposits 48(5), 384-401. |