Micro-Features of Spinel Chart

32" x 20" (80 x 50 cm)

This wall chart contains superbly detailed photomicrographs showing internal features observed in natural, treated, and synthetic spinel. Published in the Spring 2021 issue with the article by Nathan D. Renfro et al., “Micro-Features of Spinel,” Gems & Gemology, Vol. 57, No. 1, pp. 46-49.

Usually ships in 3-5 business days.

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

SKU: 181225