Calcite (variety cobaltoan) with Quartz

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

Specimen size: 3.1 × 1.4 × 1.1 cm = 1.22” × 0.55” × 0.43”
Main crystal size: 1 × 0.9 cm = 0.39” × 0.35”