Founded 1934 by Prof. Dr Stefan Bončev
A Geo-Sciences Journal of the Geological Institute “Strashimir Dimitrov”, Bulgarian Academy of Sciences
Official Journal of the Carpathian-Balkan Geological Association

Rositsa Nikolova

Nikoleta Tzankova
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”, Akad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Michail Tarassov
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”, Akad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Rositsa Nikolova
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”, Akad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Lyubomir Mihaylov
University of Mining and Geology “St. Ivan Rilski”, Prof. Boyan Kamenov Str., Studentski Grad, 1700 Sofia, Bulgaria
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Elena Tacheva
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography “Acad. Ivan Kostov”, Akad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria

Fluid-induced chemical and phase heterogeneity in pegmatitic apatite: implications for alteration conditions and anomalous optical biaxiality

Volume 55 2 August 2026

Rositsa Nikolova
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str.bl.107, 1113 Sofia
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Nadia Petrova
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str.bl.107, 1113 Sofia
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Vladislav Kostov-Kytin
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str.bl.107, 1113 Sofia
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Rositsa Titorenkova
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str.bl.107, 1113 Sofia
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Petko Petrov
Earth and Man National Museum, Cherni Vrah Blvd., 4, 1421 Sofia

Crystal chemistry of epsomite from three Bulgarian localities

Volume 54 2 August 2025

Vladislav Kostov-Kytin
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Rositsa Nikolova
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 107, 1113 Sofia, Bulgaria
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Sylvina Georgieva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Ivayla Sopotenska
Aurubis Bulgaria AD, Research and Development, Industrial Zone Pirdop, Bulgaria
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Milen Kadiyski
Aurubis Bulgaria AD, Research and Development, Industrial Zone Pirdop, Bulgaria
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Rossitsa D. Vassileva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Crystal chemical investigations of epidote group minerals from two Bulgarian localities: Effects of Mn content and Mn/Fe ratio on the structural peculiarities

Volume 52 3 December 2023

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