- Schoenfliesite with Wickmanite, Hulsite and Chalcopyrite in Magnetite
- Miniature, 5.5 x 3.5 x 2.5 cm
- Zlaty Kopec, Jachymov district, Karlovy Vary Region, Bohemia, Czech Republic
- Ex. Paulo Matioli
A piece of magnetite-chalcopyrite ore from the Zlaty Kopec skarn deposit in the Krusne Hory Mountains, Czech Republic, containing disseminated, fine-grained schoenfliesite and wickmanite. Both minerals are members of the Schoenfliesite Group: schoenfliesite is a magnesium tin hydroxide and wickmanite a manganese tin hydroxide. Ex. Paulo Matioli collection.