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Figure 8
Extinction angles in triple aragonite aggregates related by (a) twinning and (b) homo-epitaxy. The aggregates are observed along [001]; α ≡ [001], β ≡ [100] and γ = [010] are the main refractive indexes of aragonite.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 56| Part 6| December 2023| Pages 1630-1638
https://doi.org/10.1107/S1600576723008208
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