Calcite (variety cobaltoan) with Quartz

Bou Azzer Mines, Bou Azzer mining district, Ouarzazate Province, Drâa-Tafilalet Region  Morocco (2021)

Specimen size: 5.2 × 4.3 × 2.7 cm = 2.05” × 1.69” × 1.06”
Main crystal size: 0.6 × 0.6 cm = 0.24” × 0.24”