The Gemologist expertise in her laboratory fix the value of precious stones and pearls;
The Gemologist expertise in her laboratory fix the value of precious stones and pearls; using optical fibers, Hydrostatic Balance, Polariscope, Refractometer, Dichroscope.
Size: 5575px × 3717px
Photo credit: © Patrizio Martorana / Alamy / Afripics
License: Royalty Free
Model Released: No
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