Gem News International

Winter 2012 Gem News International

曼谷

Colored Stones and Organic Materials

Naturally Healed Fractures in Ethiopian Opal

New Supplier of Montana Sapphires

Pinctada Margaritifera Cultured Pearl with Baroque-Shaped Nucleus

Update on Ruby Mining and Trading in Northern Mozambique

Conference Report

2012 NAG Institute of Registered Valuers Conference

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Winter 2012 Gem News International | Gems & Gemology