Copper (spinel twin)

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

Specimen size: 5.1 × 3.8 × 2.2 cm = 2.01” × 1.50” × 0.87”
Main crystal size: 1.5 × 0.4 cm = 0.59” × 0.16”