1. A meta-ironstone, composed essentially of eulite, almandine and quartz, and locally containing ferrifayalite (Fe4−x(SiO4)2), magnetite, clinopyroxene, biotite, graphite and plagioclase, was discovered at Louzi Mountain, Qianan, Eastern Hebei province, China.

Diese bestehen aus Eulite, Almandin und Quarz und führen lokal Ferrifayalit (Fe4−x(SiO4)2), Magnetit, Klinopyroxen, Biotit, Graphit und Plagioklas.