How to Check Synthetic Ruby Under a Microscope – Curved Striae, Gas Bubbles, and Quench Crackled



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Time stamps:
1) Answer to which Rubies are Synthetics (min 2:11)
2) Equipment Recommendation – Darkfield Gem Loupe (min 3:19)
3) Equipment Recommendation – Gem Microscope (min 4:38)
4) “Curved Striae” under the microscope (min 5:35)
5) “Gas Bubbles” under the microscope (min 7:07)
6) “Quench crackled” under the microscope (min 8:30)
7) Final Thoughts (min 9:50)

Gem Equipment [Amazon Links]:
a) Professional 18mm 10x Handheld Darkfield Loupe LED with Flashlight, Dark Field Hastings Loupe Magnifier
Link: https://amzn.to/2GCTLBo

b) AmScope GM400TZ-M Digital Trinocular Gemology Stereo Zoom Microscope
Link: https://amzn.to/3jz0736

Other YouTube Ruby Videos links provided below:
a) 1 carat Ruby microscope videos – includes, unheated, heated, flux-residue (flux treatment) – https://www.youtube.com/watch?v=ornjTJv9pl8&t=151s

b) Glass Filled vs Unheated ruby – https://www.youtube.com/watch?v=XODG8dB6phE&t=6s

For additional pictures and explanation regarding synthetic gemstones (ruby, sapphire & emerald) I would recommend checking our very popular blog post: https://www.buygemstone.info/difference-between-synthetic-and-natural-ruby-sapphire-emerald

In this video, we look at three different synthetic rubies under the microscope – Curved Striae, Gas Bubbles, and Quench Crackled. All three have inclusions which help us distinguish between synthetic and natural rubies.

If you have any question or comments please feel to write below or email us at sales@thainativegems.com

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