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Mark Gershburg

President

Gemological Science International

Contact information may be available to logged in members.

Company/Business

Gemological Science International

Associate Member

Business Categories

Gemological Laboratory

Gemstones

Agate, Alexandrite, Amethyst, Aquamarine, Beryl, Bi-color Tourmaline, Carvings, Chrysoberyl, Citrine, Corundum, Cultured Pearls, Emerald, Fancy Color Diamond, Fancy Color Sapphire, Garnet, Morganite, Opal, Paraiba Tourmaline, Quartz, Sapphire, Spinel, Tanzanite, Topaz, Turquoise, Zircon

Contact:

New York Office:
132 W 31st St Fl 9
New York, NY 10001
+1 (212) 620-0900
ICA@gemstone.org

Hong Kong Office:
Unit 1777, 17/F, Silvercord Tower 2
30 Canton Road, TST, Hong Kong SAR
+852 5520-6609
ICA@gemstone.org

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