- Siderite, Albite
- Cabinet, 11.1 x 6.8 x 7.2 cm
- Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada
A classic and fine cabinet siderite specimen from the Poudrette Quarry at Mt. St-Hilaire. Two large, lustrous, yellowish-brown siderite rhombs are set on matrix covered with small albite crystals. The large rhomb is 5.5 cm on the diagonal. Both rhombs are complete-all-around. These are large siderite crystals for the locale. Ex. James Zigras Collection.