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New structural data on Belgian Ardennites
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Crystal chemistry of Belgian ardennites
Tje Belgian calcites of the Cesàro collection
Gemmological study of the reliquary bust of Saint Lambert from the Liège Cathedral, Belgium
Gemmological study of the reliquary bust of Saint Lambert from the Liège cathedral, Belgium
The historical mineral collections of the University of Liège, Belgium
Gemmological study of a reliquary cross from the Liège Cathedral, Belgium
Mineralogical study of gold from the Serpont Massif, Belgium
Mineralogical investigation of a Roman enamelled plate from the Liège Cathedral, Belgium