20hhdf.is ((BIRNESSITE pseudomorph after SERANDITE with POLYLITHIONITE)), $100 MINIMUM BID, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada 3.8 x 1 x .9 cm, Miniature | |
Rare pseudomorph from the Poudrette Quarry in Quebec and rate combination with the lustrous micaceous Polylithionite crystal at one end. Black Birnessite replacing Serandite. It is hard to tell if it is terminated. I think some areas are terminated including parts of the end with the Polylithionite crystal attached. ex Don Fratto collection. |