Other numbers: M. Mandl 27 J1. History: < M. Mandl, redeposition. Isolated from: Mine waters; Czech Republic, Zlaté Hory. Additional information: Leaching of sulfide ores. Oxidation of iron sulphide minerals (6044) and arsenopyrite (6043,6045,6046). Cultivation conditions: Medium 80 liquid, 25-30°C.