analysis gemologist |
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| navigate by keyword : analysis aquamarine assessment binocular blue color crystals diamond emerald emeralds fiber gemological gemologist gemstones jewelry luxury microscope optic pliers quartz sapphire study topaz touchstones trade |
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| The study of a gemologist with the binocular microscope, optical fibers, diamond comparison, and colored stones. Quartz, sapphire, aquamarine, topaz. Pliers with an aquamarine blue. Pc monitor with black area. |
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