AGH University of Krakow, Faculty of Geology, Geophysics and Environmental Protection, Department of Mineralogy, Petrography, and Geochemistry
PhD thesis: "Petrogenesis of Permian volcanics from the Intra-Sudetic Basin (Lower Silesia, Poland) and their alteration products"
2017 – Master degree
AGH University of Krakow, Faculty of Geology, Geophysics and Environmental Protection, Department of Mineralogy, Petrography, and Geochemistry
Master thesis: "Mineralogical and petrographic characteristics of jaspers from the vicinity of Nowa Ruda (Lower Silesia, Poland)"
2016 – Bachelor of Engineering
AGH University of Krakow, Faculty of Geology, Geophysics and Environmental Protection, Department of Mineralogy, Petrography, and Geochemistry
Bachelor thesis: "Mineralogical characteristics of dalamtian stone"
Professional Experience
2025-present – Jagiellonian University; Position: Assistant Professor with a PhD
2024-2025 – AGH University of Krakow; Position: Research Assistant
2023-2024 – University of Silesia in Katowice (post-doc), Position: associate professor (post-doc)
Awards and Honors
The Best PhD Thesis Award in the field of mineralogy, granted by the Mineralogical Society of Poland
ScientificInterests
Mineralogy
Igneous petrology
Gemmology
CurrentResearch
Mineralogy and geochemistry of alkaline rocks (e.g. nepheline syenite) from NE Vietnam (Pia Ma and Cho Don area)
Petrogenesis of rodingites and serpentinites from the Lower Silesia
The origin of post-serpentinite mineralization and associated formation of listvenite and birbirite
Origin and characteristics of dedolomites from Central Slovenia and Poland
Mineralogy and colouration mechanisms of siliceous deposits (chalcedony and/or opal-bearing) from Poland and worldwide (e.g. Iran, Hungary, Turkey)
Selected Scientific Publications
Powolny, T., Dumańska-Słowik, M., Asadi, A., Hosseinzadeh, M. R. & Krzątała, A., 2025. Resolving colouration mechanisms in gem-quality chalcedony: mineralogical and spectroscopic constraints. Mineralogy and Petrology. https://doi.org/10.1007/s00710-025-00953-x
Powolny, T., Dumańska-Słowik, M., Szczerbowska-Boruchowska, M. & Woszczyna, M., 2024. Water and moganite participation in agates from Bou Hamza (Morocco). Scientific Reports, 14(1): 22473. https://doi.org/10.1038/s41598-024-73136-x
Dumańska-Słowik, M., Powolny, T., Milovsky, R., Natkaniec-Nowak, L., George, C., Lora, E. & Surmacki, J., 2024. Origin of bluish pectolite aka larimar from the Dominican Republic: Constraints from mineralogy and geochemistry. Journal of South American Earth Sciences, 141: 104949. https://doi.org/10.1016/j.jsames.2024.104949
Dumańska-Słowik, M., Powolny, T. & Khac, G. N., 2023. Mineralogy and geochemistry of nepheline syenite from the Bang Phuc massif of the alkaline Cho Don complex in north-eastern Vietnam – implications for magma evolution and fluid-rock interactions. Journal of Petrology, 64(7): egad042. https://doi.org/10.1093/petrology/egad042
Powolny, T., Dumańska-Słowik, M. & Sikorska-Jaworowska, M., 2018. The petrogenesis of albitized Early-Permian trachyandesites from Świerki quarry (Lower Silesia, Poland) - constraints on spilitization supported by mineralogical and geochemical data. Lithos, 320: 118-133. https://doi.org/10.1016/j.lithos.2018.08.037
Organization and Participation in Scientific Conferences
Dumańska-Słowik, M., Powolny, T., Khac, N. G., To Xuan, B. (2024). Mineralogical and geochemical insights into the origin of alkaline rocks and associated REE–Nb–Zr mineralization from NE Vietnam. The 14th Conference on Earth Sciences and Sustainable Development: science and technology towards green and smart future: November 11th–12th 2024, Ho Chi Minh (Vietnam) – POSTER PRESENTATION
Powolny, T., Ciesielczuk, J., Šarc, F., Otoničar, B., Tyc, A. (2024). The occurrence and origin of dedolomites in cave system from Central Slovenia – microtextural, mineralogical, and geochemical constraints. PTMiN Conference: October 17th–20th 2024, Bobrovec (Slovakia) – POSTER PRESENTATION
Tyc, A., Ciesielczuk, J., Gaidzik, K., Powolny, T. (2024).Sulfuric acid speleogenetic by-products and secondary minerals in caves of the Mulapampa travertines (Western Cordillera, Andes, Peru). EGU General Assembly 2024: April 14th–19th 2024, Vienna (Austria) – ORAL PRESENTATION
Gaidzik, K., Šarc, F., Ciesielczuk, J., Martín Pérez, A., Košir, A., Otoničar, B., Powolny, T., Tyc, A., Johnston, V., Gebus-Czupyt, B. (2024). Mineralogical study of dedolomitization in cave environments – the Mravljetovo brezno v Gošarjevih rupah cave, central Slovenia. EGU General Assembly 2024: April 14th–19th 2024, Vienna (Austria) – POSTER PRESENTATION
Dumańska-Słowik, M., Powolny, T., Natkaniec-Nowak, J., Stankiewicz, K. (2022). Dianite, rare Siberian gemstone, - mineralogy, origin, and terminology issues. Goldschmidt Conference: July 11th–15th 2022, Hawaii (USA) – ORAL PRESENTATION
Powolny, T. (2021). Geneza oraz mechanizmy spilityzacji permskich skał wulkanicznych z niecki śródsudeckiej (Dolny Śląsk). Referat przedstawiony na posiedzeniu Komisji Nauk Geologicznych Polskiej Akademii Nauk (Oddział w Krakowie), May 12th 2021, Krakow (Poland) – ORAL PRESENTATION
Powolny, T., Dumańska-Słowik, M., Nguyen Khac, G., Le Tien, D., Sikorska-Jaworowska, M. (2019). Meionitic scapolite from Cho Don Gabbro, NE Vietnam - constraints from mineralogical and geochemical data. POL-VIET 2019: scientific-research cooperation between Poland and Vietnam: 5th international conference: July 8th–10th 2019, Krakow (Poland) – ORAL PRESENTATION
Dumańska-Słowik, M., Powolny, T., Heflik, W., Sikorska-Jaworowska, M., Natkaniec-Nowak, L., Giro, L. (2018). Albitites from Dmytrivka (the Oktriabski Massif, Ukraine) - evidence of fluid-rock interaction triggered by fenitization processes. Magmatism of the Earth and Related Strategic Metal Deposits: proceedings of XXXV international conference: September 3rd–7th 2018,Moscow (Russia) – POSTER PRESENTATION
Membership in Editorial Boards of Scientific Journals
Guest Editor of the special issue: Mineralogy, Geochemistry, and Origin of Agate: An Ongoing Challenge (Minerals Journal)
