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Chalcedony from Balkan Mountains, Europe

Bulgaria
 
  • Burgas Province
    • Karnobat Municipality
Banushev, B. and Vasileva, M. (1994): New manganese ore showings in the Eastern Srednogorie. Dokladi na Bulgarskata Akademiya na Naukite 47, 33-36.
  • Montana Province
    • Chiprovtsi Municipality
[var. Plasma] Hecht, L. (2020) Efflorescent Sulfate Crystallization on Fractured and Polished Colloform Pyrite Surfaces: A Migration Pathway of Trace Elements. Minerals10, 12.
Dimitrova, D.
Mladenova, V.
  • Sofia City Province
    • Stolichna Municipality
      • Kremikovtsi
Damyanov, Z. K. (1998). Ore petrology, whole-rock chemistry and zoning of the Kremikovtsi carbonate-hosted sedimentary exhalative iron (+ Mn)-barite-sulfide deposit, Western Balkan, Bulgaria. Neues Jahrbuch für Mineralogie Abhandlungen, 174, 1-42.
  • Sofia Province
    • Chelopech Municipality
Ciobanu, C. L. (2005): Kostovite and its argentian varieties: Deposits and mineral associations. Bulgarian Academy of Sciences, Geochemistry, Mineralogy and Petrology. 42, 1-22
in (2001) European Union of Geosciences Conference XI (OS6)
link.springer-ny.com (n.d.) http://link.springer-ny.com/link/service/journals/00126/contents/02/00273/s00126-002-0273-8ch002.html
Bonev, I.K.
Petrunov, R.
Cook, N. J.
 
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