With UV-Vis-NIR spectroscopy, GIA researchers were able to identify the unusual spectrum. It has never been reported in blue lab-grown sapphire, either flame-fusion or flux-grown. Practicing gemologists should take note.
Discover P.J. Joseph's blog, your guide to colored gemstones, diamonds, watches, jewelry, art, design, luxury hotels, food, travel, and more. Based in South Asia, P.J. is a gemstone analyst, writer, and responsible foodie featured on Al Jazeera, BBC, CNN, and CNBC. Disclosure: All images are digitally created for educational and illustrative purposes. Portions of the blog were human-written and refined with AI to support educational goals.
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Sunday, April 18, 2021
Unusual Absorption In A Blue Flux-Grown Synthetic Sapphire
Labels:
Gems & Gemology,
GIA,
Lab Notes
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