Data Supplement
The published versions of the authors’ microradiographs are shown here, with the original versions below them.
Figure S3. Microradiographs of sample 8, a bead-cultured saltwater pearl from Pinctada
fucata, produced with an FPD (top) and an II (bottom). The diameter of the bead is
about 4.5 mm.
Figure S4. Microradiographs of the center of sample 19 (a non-bead-cultured saltwater
pearl from Pinctada maxima), produced with an FPD (top) and an II (bottom); fields of
view approximately 7 mm.
pearl from Pinctada maxima), produced with an FPD (top) and an II (bottom); fields of
view approximately 7 mm.
Figure S5. Microradiographs of sample 1 (a natural saltwater pearl from Pinctada
radiata), produced with an FPD (top) and an II (bottom); fields of view approximately
3.5 mm.
radiata), produced with an FPD (top) and an II (bottom); fields of view approximately
3.5 mm.
Figure S6. Microradiographs of sample 21 (a non-bead-cultured freshwater pearl from
Hyriopsis species), produced with an FPD (top) and an II (bottom); fields of view
approximately 9 mm.
Hyriopsis species), produced with an FPD (top) and an II (bottom); fields of view
approximately 9 mm.
