Goethite after Pyrite

Agos-Vidalos, Argelès-Gazost, Hautes-Pyrénées Département, Occitanie  France (2017)

Specimen size: 7.4 × 6.4 × 5.4 cm = 2.91” × 2.52” × 2.13”
Main crystal size: 5.9 × 5.4 cm = 2.32” × 2.13”