1.
[Hand washing]
[George W. Dunn]
[Alfonso Toatly and Albert Higgins]
Cristaux de chalkolite trouvés près de Vielsalm ; Chalcolite crystals found near Vielsalm
2.
3.
[Recueil. Festival de Bitume. Vielsalm, Belgique. 25-27 juillet 2003 / photographies de Joël Verhoustraeten]
[Officer's Mess]
Transformation sequences of copper sulfides at Vielsalm, Stavelot Massif, Belgium
Occurrence of sulphides on the bornite-idaite join from Vielsalm, Stavelot Massif, Belgium