How did the chemical and mineralogical qualities of jade affect the manufacturing techniques used to make ancient Chinese jade objects? How have these factors influenced the changes that they have endured over time? What evidence is now available to us about jade working and the history of...

Analyses of ancient bronzes increase our understanding of individual objects and the cultures that produced them by providing information on movement of materials and the development of technologies. Analytical investigations of the composition of ancient “bronzes” have been ongoing since at least the late eighteenth...