Don’t miss this 4 part series on the blue sapphire. We’ll discuss gem grading and market preferences for blue sapphire, the physical characteristics of natural sapphires that affect their color, some of the characteristics of stones from classic sources of sapphire including Ceylon, Burma, Kashmir, Madagascar, Thailand, Australia, and Montana, and the various methods of color enhancement and heat treatment of sapphire. Only at the Mardon blog!
james l. sweaney cga fga. gg
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