Calcite

Aït Ahmane (auxiliary shaft), Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (07/2018)

Specimen size: 8.1 × 7.4 × 4.8 cm = 3.19” × 2.91” × 1.89”
Main crystal size: 6.2 × 2.6 cm = 2.44” × 1.02”