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Showing posts with label GIA. Show all posts
Showing posts with label GIA. Show all posts

Friday, November 24, 2023

Wednesday, November 22, 2023

Survey Of Colored Stone Preferences Among Younger Generations

Many thanks to Laura Inghirami of Donna Jewel, Milan, Italy and Gems & Gemology for sharing an insightful report. A must read for colored stone dealers and jewelers.


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A Red Herring In A Red Garnet

I love garnets for the priceless mineral inclusions. Many thanks to Emily Jones of GIA New York sharing a beautiful inclusion.


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Mining Basalt-Related Gems In Southeast Vietnam

A must read for gem miners, field geologists, field gemologists, and colored stone dealers. Many thanks to Gems & Gemology and the team from Vietnam for sharing and insightful report.


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Tuesday, November 21, 2023

CVD-Grown Diamond With Few Diagnostic Features

Without sophisticated analytical gem testing instruments it is virtually impossible to identify and interpret the diagnostic features of CVD- Grown diamond. Many thanks to Gems & Gemology and GIA researchers for sharing the report.


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Natural Diamond With Twinning Wisps Resembling A Whale

No two diamond inclusions are the same. Many thanks to Gems & Gemology and GIA researchers for sharing an insightful report. Quite useful for practicing lab gemologists specializing in diamonds.


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Shell Blister On an Isognomon isognomon Shell

Many thanks to Gems & Gemology and GIA team for sharing an insightful report. Practicing lab gemologists should take note.


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Sunday, November 19, 2023

Natural Type IIa Diamond With Unusual Red Fluorescence Distribution

Many thanks to GIA researchers for sharing a typical fluorescence distribution in the diamond with the FTIR and DiamonView. 


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Aquamarine With Zigzag Growth Line Inclusions

Gem inclusions will never stop surprising curious gemologist who specialize in inclusion studies. All you need is the right skill and right tools to locate them inside a colored stone. Many thanks to Gems & Gemology for sharing the fascinating inclusion in Aquamarine.


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Inclusion Resembling A Gada In Diamond

Nature has no rules. Many thanks to GIA team and Gems & Gemology for sharing a fascinating diamond inclusion. 


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Wednesday, November 15, 2023

Etch Features Reveal The Morphology Of Diamond

A must read for practicing gemologists and diamond dealers. Many thanks to Gems & Gemology team for sharing the insightful report.


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The Special Color Effect In Chameleon Amber

The insightful report on chameleon amber is a must read for amber dealers, practicing gemologists and consumers. Many thanks to Gems & Gemology team for sharing the story.


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