A carving originally thought to be beryl is examined and identified as amblygonite-montebrasite.
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A report from The International Colored Gemstone Association’s Gemstone Industry & Laboratory Conference (GILC), held in Tucson, Arizona on February 2, 2015.
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A gemological examination of chrysocolla in quartz from Tucson’s AGTA show.
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The author tests the suitability of a portable paper microscope, called the Foldscope, for gemological application.
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A report from the Second International Diamond School, held in Brixen, Italy in January 2015.
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A review of Chinese freshwater cultured pearl production, with an update on the market for Tahitian, South Sea, and akoya cultured pearls.
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A discussion of the current demand for tsavorite and spinel in today’s market.
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Garnets and a wide variety of tanzanite at the Tucson gem shows.
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