Fig. 8
![Fig. 8](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40494-018-0182-5/MediaObjects/40494_2018_182_Fig8_HTML.gif)
Representative Raman spectra of samples from the Jokhang temple wall paintings, with key bands labelled for the identification of pigments. For analysis laser wavelengths used are 532 and 785 nm. a red/orange ì particles, b orange particles, c yellow particles, d red particles, e, f green particles