Poudrette Quarry, Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada
Na(Mn2+,Ca)2[HSi3O9]
This specimen consists of multiple blades of salmon pink Serandite. There is also an unidentified brown material on the specimen; much of which is in the form of small spheres. The specimen is in very good condition with the exception of one broken blade which is visible in the first photo.