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.
Usually ships in 3-5 business days.
Enter code CHARTS20 to receive 20% off when you purchase 3 or more charts.
SKU: 181223