Ferrierite-Mg

Monte Oladri Quarries, Monastir, Metropolitan City of Cagliari, Sardinia/Sardegna  Italy

Specimen size: 3.6 × 2.3 × 1.7 cm = 1.42” × 0.91” × 0.67”
Main crystal size: 0.7 × 0.7 cm = 0.28” × 0.28”