Fig. 15

Raman spectra for green areas from a variety of folios showing the some of the different copper greens identified—a: green from folio Table 1, #24 matched to b: reference spectrum of antlerite; c: green from folio Table 1, #17 matched to d: reference spectrum of atacamite; green from folio Table 1, #26 matched to reference spectrum of malachite. All reference spectra from RRUFF database http://rruff.info/