Smithsonite after Calcite

Tiny-Arenas Mine, Oridda Valley, Fluminimaggiore, Carbonia-Iglesias Province, Sardinia / Sardegna  Italy

Specimen size: 11 × 8.8 × 4.5 cm = 4.3” × 3.5” × 1.8”
Main crystal size: 6.6 × 4 cm = 2.6” × 1.6”