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Figure 6
Correlation maps in RGB for clubs (a) 3, (b) 4 and (c) 5 with: red – Ap (002), green – chitin (110), and blue – calcite (104) and (202). Note that no calcite is present in (a); inspection of the diffractograms revealed that the blue dots are contaminants with diffraction peaks that coincide with either the (104) or the (202) calcite peaks. The scale bar in (a) is 500 µm and all figures were scaled accordingly. The intensity scale of the blue and green channels does not represent the full signal scale since isolated regions with orientation-induced very intense signals would otherwise make the chitin and calcite structures near-invisible.

IUCrJ
Volume 10| Part 3| May 2023| Pages 288-296
ISSN: 2052-2525
https://doi.org/10.1107/S2052252523002075