Ferrierite-Mg with Calcite

Ugas Quarry, Monastir, Metropolitan City of Cagliari, Sardinia/Sardegna  Italy (2005)

Specimen size: 5.8 × 3.3 × 3.5 cm = 2.28” × 1.30” × 1.38”
Main crystal size: 0.6 × 0.6 cm = 0.24” × 0.24”