Gems & GemologyGems & Gemology, Winter 2017, Vol. 53, No. 4

Data Supplement

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The published versions of the authors’ microradiographs are shown here, with the original versions below them.

Microradiographs produced with an FPD (left) and an II (right)

Microradiographs produced with an FPD and an II

Microradiographs produced with an FPD and an II — 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 4. Microradiographs of the center of sample 19 (a non-bead-cultured saltwater pearl from Pinctada maxima), produced with an FPD (left) and an II (right); fields of view approximately 7 mm.

Microradiographs produced with an FPD and an II

Microradiographs produced with an FPD and an II — 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.

Microradiographs produced with an FPD (left) and an II (right)

Microradiographs produced with an FPD and an II

Microradiographs produced with an FPD and an II — 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.

Microradiographs produced with an FPD (left) and an II (right)

Microradiographs produced with an FPD and an II

Microradiographs produced with an FPD and an II — 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.

The published versions of the authors’ microradiographs are shown here, with the original versions below them.

Microradiographs produced with an FPD (left) and an II (right)

Microradiographs produced with an FPD and an II

Microradiographs produced with an FPD and an II — 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 4. Microradiographs of the center of sample 19 (a non-bead-cultured saltwater pearl from Pinctada maxima), produced with an FPD (left) and an II (right); fields of view approximately 7 mm.

Microradiographs produced with an FPD and an II

Microradiographs produced with an FPD and an II — 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.

Microradiographs produced with an FPD (left) and an II (right)

Microradiographs produced with an FPD and an II

Microradiographs produced with an FPD and an II — 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.

Microradiographs produced with an FPD (left) and an II (right)

Microradiographs produced with an FPD and an II

Microradiographs produced with an FPD and an II — 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.

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