Calcite (variety Co-bearing calcite)

Bou Azzer Mine, Bou Azzer mining district, Ouarzazate Province, Drâa-Tafilalet Region  Morocco (09/1994)

Specimen size: 3.6 × 3.1 × 0.9 cm = 1.42” × 1.22” × 0.35”
Main crystal size: 0.6 × 0.3 cm = 0.24” × 0.12”