Willemite from Poland
Poland | |
| Włodyka, R., Gawęda, A., Warchulski, R. (2015): Metallurgical slags from the “Trzebinia” smelting plant, Poland. Mineralogia Special Papers: 44: 108-109 |
| Puziewicz, J., Zainoun, K. and Bril, H. (2007): Primary phases in pyrometallurgical slags from a zinc-smelting waste dump, Świętochłowice, Upper Silesia, Poland. Can. Mineral. 45, 1189-1200. |
| Nowinska, Katarzyna. (2020) "Mineralogical and Chemical Characteristics of Slags from the Pyrometallurgical Extraction of Zinc and Lead" Minerals 10, no. 4: 371. https://doi.org/10.3390/min10040371 |