The use of glass particles and its consequences in late 16th century oil painting: A Portuguese case based on the analytical results and the technical treatises
7 December 2019
The article discusses the discovery and characterization of colourless glass particles in the red glazes of paintings from two different altarpieces attributed to a specific painter in Portugal. The use of local glass in these paintings is suggested based on archaeological findings in southern Europe, particularly in Portugal. The glass particles in the paintings were likely used for their transparency and potential siccative properties, although the latter has not been definitively proven. By potentially lowering the oil concentration in the paint, the addition of glass may have indirectly assisted in
