Fig. 5: Fragment Hs. 15c recto.
From: From fragments to text and ink: a scientific and historical study of an Umayyad Qur’ān

Digital microscopy images (a transmitted, b visible, c UV, d NIR) and elemental XRF scans presented as heat maps for Hs. 15c recto (hair side). Total no. of pixels — 1189118; 20 ms/pixel; 50 μm pixel size.