Pectolite

Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec  Canada

Specimen size: 5.6 × 4.4 × 3.1 cm = 2.20” × 1.73” × 1.22”
Main crystal size: 1 × 0.2 cm = 0.39” × 0.08”