TC140NM: Very aerial group of complex Calcite crystals, rich in faces, dominated by the scalenohedron, transparent, with good luster and a very pale yellow color, with abundant inclusions. Dotted with small crystals of Pyrrhotite and a large rhombohedral Dolomite crystal of light brown color. A mine which at the time yielded a few pieces but from which soon thereafter nothing more was heard.
Iouriren Mine (AGM Mine), Akka, Tafraout, Tiznit Province, Souss-Massa Region  Morocco (2004)

Specimen size: 9.9 × 5.9 × 4.5 cm = 3.90” × 2.32” × 1.77”

Main crystal size: 9.9 × 3.2 cm = 3.90” × 1.26”