Ising spin ladders of orthopyroxene CoGeO3RemovePavel A. Maksimov, Andrey F. Gubkin, Alexey V. Ushakov, Alexander I. Kolesnikov, Matthew S. Cook, Michael A. McGuire, Günther J. Redhammer, Andrey Podlesnyak, and Sergey V. StreltsovPhys. Rev. B 112, L220407 (2025)