Herzog Julius smelter (slag locality), Astfeld, Goslar, Harz Mts, Lower Saxony, Germany

Slag dumps of an ancient smelter started around 1270 and closed in 1968.
Located near Astfeld, 3.5 km WNW of Goslar.

NOTE: The "namuwite" from here, widespread in collections, is in fact Unnamed (Gordaite-related Ca-Zn Sulphate Chloride Hydrate).


Todtberg, Herzog Juliushütte, Astfeld, Langelsheim, Harz Mts., Lower Saxony, Germany
Todberg
south of Astfeld, Langelsheim, Harz Mts, Lower Saxony, Gerany
On a mountain ridge a long rock of Quartz and Calcite with (scarce) enclosed Chalkopyrite, Galena and secondary minerals.
Todberg
south of Astfeld, Langelsheim, Harz Mts, Lower Saxony, Gerany
On a mountain ridge a long rock of Quartz and Calcite with (scarce) enclosed Chalkopyrite, Galena and secondary minerals.

References:
- Schnorrer-Köhler, G. (1987) Die Minerale in den Schlacken des Harzes. Aufschluss, 38, 181-197 (in German).
- S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Klose, Frank: Der Mineralienfrührer HARZ .- Goslar, p. 44-45
Klose, Frank: Der Mineralienfrührer HARZ .- Goslar, p. 44-45