Demidovskite from Russia
Russia | |
| Sharygin, V. V. (2015). Mayenite-supergroup minerals from burned dump of the Chelyabinsk Coal Basin. Russian Geology and Geophysics, 56(11), 1603-1621. |
| Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp. |
| Ryabov, V.V., Agafonov, L.V. (2013): Ge and Ge-bearing mineral phases in gabbrodolerites of Mt. Ozernaya trap intrusion (Siberian platform). Goldschmidt Conference Abstracts, p. 2106 |