Nioboixiolite-(Fe <sup>2+</sup> ), (Nb <sub>2/3</sub> Fe <sup>2+</sup> <sub>1/3</sub> )O <sub>2</sub> , a new mineral of the ixiolite group from Jordanów Śląski, Lower Silesia, Poland Authors Bogdan Rutkowski (ORCID: https://orcid.org/0000-0003-0974-6450) Bożena Gołębiowska (ORCID: https://orcid.org/0000-0002-4103-1124) Adam Pieczka (ORCID: https://orcid.org/0000-0002-2841-7313) Piotr Jeleń (ORCID: https://orcid.org/0000-0003-2905-6078) Sylwia Zelek-Pogudz (ORCID: https://orcid.org/0000-0002-3233-8060) Krzysztof Nejbert (ORCID: https://orcid.org/0000-0002-0021-2172) Katarzyna M. Stadnicka Institutions Jagiellonian University (PL) University of Warsaw (PL) AGH University of Krakow (PL) Publication Details Journal Mineralogical Magazine Published 2026-06-26 DOI https://doi.org/10.1180/mgm.2026.10244 Primary Topic Crystal Structures and Properties Type article Field-Weighted Citation Impact 0.00 Explore the Global Research Space Interactive Map