Marcasita

Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (2020)

Specimen size: 5.6 × 4.5 × 2.9 cm = 2.20” × 1.77” × 1.14”
Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”