Calcite (variety cobaltoan) with Quartz

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

Specimen size: 7.2 × 4.3 × 4.7 cm = 2.83” × 1.69” × 1.85”
Main crystal size: 1 × 1 cm = 0.39” × 0.39”