• Micro-Features of Opal wall chart, featuring rows of opal microphotgraphs with captions

Micro-Features of Opal Chart

  • $16.95

32" x 20" (80 x 50 cm)

This wall chart contains superbly detailed photomicrographs showing internal features observed in natural, treated, synthetic, and imitation opal. Published in the Summer 2019 issue with the article by Nathan D. Renfro et al., “Inclusions in Natural, Treated, Synthetic, and Imitation Opal,” Gems & Gemology, Vol. 55, No. 2, pp. 244-245.

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Enter code CHARTS20 to receive 20% off when you purchase 3 or more charts.

SKU: 181223