ColorCodex™ - A New Tool for the Gemstone and Jewelry Industry

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Christopher P. Smith spent years developing the ColorCodex™ system to help the industry reference color in gemstones. This innovative and easy-to-use tool best mimics the way that color presents itself in faceted transparent gems and significantly expands the gamut of color over other color systems that have been proposed or developed previously. This article in InColor Magazine was published in Winter 2020.

To download a copy click here


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An Unusual Synthetic Fancy Sapphire Colored by Co2+ and Co3+

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Titanite (Sphene) Inclusions in Ruby Identified by Infrared Spectroscopy