Modern high resolution X-ray powder diffraction (XRPD) in the laboratory is used as an efficient tool to determine crystal structures of long-known corrosion products on historic objects.
Dinnebier, R. E., Fischer, A., Eggert, G., Runčevski, T., Wahlberg, N. X-ray Powder Diffraction in Conservation Science: Towards Routine Crystal Structure Determination of Corrosion Products on Heritage Art Objects. J. Vis. Exp. (112), e54109, doi:10.3791/54109 (2016).