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Gem Focus May 2022: Quartz gems with curious inclusions

Posted on May 13, 2022 by Çigdem Lüle, PhD, FGA, GIA GG, DGA

Basic definition of inclusions may be given as trapped foreign materials or irregularities in a gemstone. They simply reflect the formation conditions regardless of the gemstone’s origin, natural or lab-grown. While natural inorganic gems contain…


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Colored Stone Market

After two relatively strong years of growth for the gem and jewelry industry, the market is entering a phase where rising costs of consumer staples as well as growing concern that the war in the Ukraine may expand in scope, consumer spending on nonessenials is expected to taper.


To complicate matters, zincite can be and has been intentionally synthesized in a laboratory. Many years ago, synthetic zincite was used as semi-conductor crystal detectors in radios before the advent of vacuum tubes.

Tucson Color Report

During interviews conducted the week after the AGTA and GJX shows closed, many dealers expressed their satisfaction with the strength of business conducted in Tucson. “It was a very good show, one of the best in years”