2331 Zincaluminite, Zinkhutte Genna, Letmathe, Sauerland, Germany September 22, 2019 Steve Europe Germany
Europe Germany ncat JP3329 Zincaluminite, Serpierite, Genna zinc smelter slag locality, Letmathe, Iserlohn, Sauerland, North Rhine-Westphalia, Germany October 11, 2019
