Aragonite (variety Cu-bearing aragonite)

Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est  France

Specimen size: 7.6 × 4.4 × 3.4 cm = 2.99” × 1.73” × 1.34”
Main crystal size: 4.4 × 0.8 cm = 1.73” × 0.31”