Smithsonite after Calcite

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

Specimen size: 11 × 8.8 × 4.5 cm = 4.33” × 3.46” × 1.77”
Main crystal size: 6.6 × 4 cm = 2.60” × 1.57”