Strickblende, Schalenblende
Bleyberg mine, Plombières, Liège, Wallonia, Belgium
Strickblende from Plombières.
Skeletal "knitted" galena crystals (gestrickte Bleiglanze) enclosed in Schalenblende. The dendrites are entirely covered with colloidal fine-grained Sphalerite, with remaining open fissures between the individual branches. Sawn and polished by Charly Grooteclaes.
Described by Max Braun in 1857, mining engineer ...
© Collection and photo François Wouters