Analcime with Siderite pseudo Natrolite

Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec  Canada (05/2000)

Specimen size: 3.3 × 3 × 1.8 cm = 1.30” × 1.18” × 0.71”
Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”