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Germany | |
| Witzke, T. & Giesler, T. (2013): Eine Seltenerd- und Niob-Tantal-Mineralisation aus dem Königshainer Granit in der Lausitz, Sachsen.- Mineralien-Welt 24(1), 36-45 |
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Poland | |
- Lower Silesian Voivodeship
| Cegiełka, M., Mazur, K., Matyszczak, W. (2018) Accessory mineral assemblage of the granite from Kopki hills in the vicinity of Jelenia Góra (the Karkonosze pluton, West Sudetes). Mineralogia - Special Papers: 48: 38 |
| Małek, R., & Mikulski, S. Z. (2021). A rare indium-bearing mineral (Zn-In-Cu-Fe sulphide) from the Stara Kamienica Schist Belt (Sudetes, SW Poland). Geological Quarterly, 65: 7 |