Calcite (variety cobaltoan) with Quartz

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

Specimen size: 9.2 × 6 × 4.1 cm = 3.62” × 2.36” × 1.61”
Main crystal size: 0.6 × 0.6 cm = 0.24” × 0.24”