Micro-Features of Opal Chart

Name: GIA Store Micro-Features of Opal Chart - Micro-Features of Opal Chart
Brand: GIA Store
SKU: 31825472159875
Price: 20.25 USD
Availability: InStock
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Color

Black

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Description

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...