Two supplementary tables were missing from the supplementary material for Kampf et al. (Reference Kampf, Ma, Hawthorne and Marty2025): “Supplementary Table 1. Powder X-ray data (d in Å) for ferriphoxite” and “Supplementary Table 2. Powder X-ray data (d in Å) for carboferriphoxite”. They are attached to this correction notice.
Supplementary material
The supplementary material for this article can be found at https://doi.org/10.1180/mgm.2025.10170