Figure 13
From: Investigation of the painting materials in Zhongshan Grottoes(Shaanxi, China)

From the top to the bottom: Raman spectrum of the red paint layer L5 from sample S6 (785Â nm laser) with reference spectrum of cinnabar.
From: Investigation of the painting materials in Zhongshan Grottoes(Shaanxi, China)
From the top to the bottom: Raman spectrum of the red paint layer L5 from sample S6 (785Â nm laser) with reference spectrum of cinnabar.