Segers-Glocke, Christiane [Editor]; Niedersächsisches Landesamt für Denkmalpflege [Editor]; Institut für Denkmalpflege [Editor]; Balck, Friedrich [Oth.]: Arbeitshefte zur Denkmalpflege in Niedersachsen: Aspects of mining and smelting in the Upper Harz Mountains (up to the 13th/14th century) - in the early times of a developing European culture and economy (St. Katharinen: Scripta Mercaturae Verl., Heft 22.2000)

Fig. 3
Two pieces of ore from Rammelsberg. The dark sample is rich in galena and spalerite. The
golden coloured piece contains much chalcopyrite and pyrite.


Fig. 5
Dyke ores of the Upper Harz (silvery grey = galena [PbS]; brown = sphalerite [ZnS];
white = baryte [BaSO4]).