• Causes of Color in Corundum Chart

Causes of Color in Corundum Chart

  • $16.95

32" x 20" (80 x 50 cm)

Natural corundum has six major chromophores that cause its array of colors. This chart shows the influence of these chromophores in various concentrations on a corundum sample’s depth of color. Published in conjunction with the Spring 2020 article by Emily V. Dubinsky, Jennifer Stone-Sundberg, and John L. Emmett, “A Quantitative Description of the Causes of Color in Corundum,” Gems & Gemology, Vol. 56, No. 1, pp. 2–28.

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SKU: 181224