Marcasite

Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (06/2018)

Specimen size: 7.8 × 3.2 × 2.1 cm = 3.07” × 1.26” × 0.83”
Main crystal size: 1 × 0.5 cm = 0.39” × 0.20”