Quartz from Dalgi Rid ore occurrence, Panagyurishte Municipality, Pazardzhik Province, Bulgaria
Bulgaria | |
| [var. Chalcedony] Chavdarova, S., Stavrev, M., Hikov, A., & Peytcheva, I. (2022). New data on the geochemical and mineralogical features of the main manganese-and iron-bearing ore occurrences in the Central Srednogorie Zone, Bulgaria. |