Lei YU, Ya-mei WANG. The Spectral Characteristics of “Edison” Pearls and Nucleated Pearls With Dyeing Treatment[J]. Spectroscopy and Spectral Analysis, 2021, 41(8): 2626
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 8, 2626 (2021)
Fig. 1. “Edison” pearls, dyed “Edison” pearls, Seawater pearl and dyed Seawater pearl samples
Fig. 2. The luster of deep purple, dyed purple, orange, dyed yellow “Edison” pearls and golden seawater pearl, dyed golden seawater pearl
Fig. 3. Surface characteristics of “Edison” pearls and dyed “Edison” pearls
Fig. 4. The fluoresces of white, orange, dyed yellow “Edison” pearls, golden seawater pearl and dyed golden seawater pearl
(a): LW; (b): SW
(a): LW; (b): SW
Fig. 5. The infrared spectra of “Edison” pearls samples
Fig. 6. The UV-Vis absorption spectra of pink-purple “Edison” pearls
Fig. 7. The UV-Vis absorption spectra of orange “Edison” pearls
Fig. 8. The UV-Vis absorption spectra of white, pink-purple, dark purple and dyed purple “Edison” pearls
Fig. 9. The UV-Vis absorption spectra of white,orange and dyed yellow “Edison” pearls
Fig. 10. The UV-Vis absorption spectra of orange, dyed yellow “Edison” pearl, golden Seawater pearl and dyed golden Seawater pearl
Fig. 11. The UV-Vis absorption spectra of dyed black “Edison” pearl, black Seawater pearl and dyed black Seawater pearl
Fig. 12. The PL spectra of white, orange, pink-purple, dark purple “Edison” pearls
Fig. 13. The PL spectra of dyed yellow, dyed purple, dyed black “Edison” pearls
Fig. 14. The PL spectra of white, pink-purple, dark purple and dyed purple “Edison” pearls
Fig. 15. The PL spectra of white, orange and dyed yellow “Edison” pearls
Fig. 16. The PL spectra of orange, dyed yellow “Edison” pearl, golden seawater pearl and dyed golden seawater pearl
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Table 1. The gemmology character of 17 pearls samples
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