Gem News International Gems & Gemology, Volume 48, No.4

Winter 2012 Gem News International

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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