Calcite (variety cobaltoan) with Quartz

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

Specimen size: 5.3 × 3.4 × 2.4 cm = 2.09”
Main crystal size: 0.7 × 0.4 cm = 0.28”