Hardystonite from Saxony-Anhalt, Germany
Germany | |
| Neschen, Peter (n.d.) Personal communication. |
| Elmar Lackner collection |
Besteman, Andre, et al, Hettstedt-smelter slag-dumps, Mansfeld Basin, Sachsen-Anhalt, Germany, The Strahlen Foundation. |
Germany | |
| Neschen, Peter (n.d.) Personal communication. |
| Elmar Lackner collection |
Besteman, Andre, et al, Hettstedt-smelter slag-dumps, Mansfeld Basin, Sachsen-Anhalt, Germany, The Strahlen Foundation. |
Gottesbelohnungshütte smelter, Mansfeld, Mansfeld-Südharz, Saxony-Anhalt, Germany