Mineral: Quintinite
Locality: Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Dimensions: FOV = 2mm
Description: Pale yellow hexagonal plates with donnayite-(Y) to lower right of quintinite.
All pictures, text, design © Forum FMF 2006-2025