Figure 2

Mineralogical composition of javelin patina. Raman spectra of (a) lepidocrocite, (b) lepidocrocite and goethite, (c) lepidocrocite and magnetite, (d) lepidocrocite and silicon, (e) Paraloid B72.

Mineralogical composition of javelin patina. Raman spectra of (a) lepidocrocite, (b) lepidocrocite and goethite, (c) lepidocrocite and magnetite, (d) lepidocrocite and silicon, (e) Paraloid B72.