Incisions description (parallel, curved and even impressions).
Inclusions characterization (color, shape and size).
Cross section characterization (in case of visible layers).
Backscattered Images acquired by Scanning Electron Microscopy at 50x and 200x magnification.
Images along the surface from left to right from 1 to 6 at 50x; 7 to 16 at 200x; Images also under 17 to 19 at 50x
Incisions description (parallel, curved and even impressions).
Inclusions characterization (color, shape and size).
Cross section characterization (in case of visible layers).