Ste Marie-aux-Mines (Markirch), Haut-Rhin, Alsace, France
Ex. Eric Asselborn; Martin Zinn; F. John Barlow
An extremely rare old French rammelsbergite, from this classic mining district. The specimen is very rich with microcrystals, and a few larger aggregates to 5mm. Ex. Martin Zinn, Eric Asselborn, and F. John Barlow Collections.