Quartz from Buruktal Mine, Buruktal massif, Buruktal District, Svetlyi District, Orenburg Oblast, Russia
Russia | |
| [var. Chalcedony] Mikhailov, B.M. (2004): Lithology and Mineral Resources 39(2), 114-134. |
Russia | |
| [var. Chalcedony] Mikhailov, B.M. (2004): Lithology and Mineral Resources 39(2), 114-134. |