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) - How much does a one carat ruby cost? ...

b) Glass Filled vs Unheated ruby - How to tell the difference between Un...

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

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.

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