Willemite from Soviet Union (1922-1991)
Russia | |
| Pavel.M. Kartashov (n.d.) analytical data. |
| |
| Pavel.M. Kartashov (n.d.) analytical data. |
Tajikistan | |
| Pautov, L. A., Agakhanov, A. A., Sokolova, E., Hawthorne, F. C. (2004) Maleevite, BaB2Si2O8 and pekovite, SrB2Si2O8, new mineral species from the Dara-i-Pioz alkaline massif, Northern Tajikistan: description and crystal structure. The Canadian Mineralogist, 42 (1) 107-119 doi:10.2113/gscanmin.42.1.107 |
Ukraine | |
| Pavel.M. Kartashov (n.d.) analytical data. Liventseva, Hanna (n.d.) Beryllium Mineralization In Ukraine. https://www.icog.es/TyT/index.php/2022/09/beryllium-mineralization-in-ukraine/ |
Sary-Ymaty deposit, Chikhachev Range, Tuva, Russia