Fig. 6
From: Mapping the pigment distribution of Vermeer’s Girl with a Pearl Earring
a Visible light detail of yellow jacket. René Gerritsen Art & Research Photography; b Map of reflectance endmember spectra, ‘green’ = yellow ochre, ‘blue’ = yellow ochre with ultramarine, ‘red’ = ultramarine with some yellow ochre and a hypothesised red pigment; c Reflectance endmember spectra used to make map in b. d MA-XRF map of potassium (K K); e MA-XRF map of lead (Pb L); f MA-XRF map of iron (Fe K)