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Figure 6
Garnet. (a) Photomicrograph of the polished thin section, showing an elongated calcite single crystal limited by two bands (above and below) of cracked garnet (each band is approximately 500 µm thick). The measured microvolume is inside the marked homogeneous block of area 150 × 150 µm. (b) Model-free whole-pattern refinement of garnet, showing the observed pattern (dots), the calculated one (line) and their difference (bottom). The observed pattern corresponds to the circular average of the sum of collected two-dimensional patterns.

IUCrJ
Volume 2| Part 4| June 2015| Pages 452-463
ISSN: 2052-2525
doi:10.1107/S2052252515007794