EAD66CD1: From a mine famous for the quality of its siderites and chalcopyrites, but which has a bad reputation for frequent small (or large) damage. This specimen on the other hand is totally perfect.
Kaiwu Mine, Hezhang, Bijie Prefecture, Guizhou Province  China (2023)

Specimen size: 4.8 × 3.7 × 2.6 cm = 1.89” × 1.46” × 1.02”

Main crystal size: 3.4 × 1 cm = 1.34” × 0.39”