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Watch :3 07:34
How To Become A Gemologist? | How To Start Your Career In Gemology
110K views • 2 years ago Gemstones
Watch :3 01:12:13
Geology 101: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series
107K views • 4 years ago GIA (Gemological Institute of America)
Watch :3 17:45
Mineralogist Answers Gemstone Questions From Twitter | Tech Support | WIRED
900K views • 10 months ago WIRED
Watch :3 02:45
Mastering Gemology: The Complete Beginner's Guide to Gemstones #gems
2.7K views • 10 months ago Roots Rocks
Watch :3 06:16
How To Spot A Ruby - ID Gems Like A Gemologist!
227K views • 2 years ago Gemstones
Watch :3 01:08:31
Red Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series
10K views • 3 years ago GIA (Gemological Institute of America)
Watch :3 55:47
Green Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series
9.8K views • 3 years ago GIA (Gemological Institute of America)
Watch :3 00:31
A Gem of Knowledge: Explore the Natural Ceylon Purple Spinel!
118 views • 2 days ago Ayuka Gems & Jewellery - Natural Ceylon Sapphires
Watch :3 22:24
Wim Vertriest: “GIA’s Field Gemology Program and Origin Determination”
2.5K views • 5 years ago GIA (Gemological Institute of America)
Watch :3 16:04
Complete Gemology Skill Guide [Including All Crystal Powers] | The Sims 4
27K views • 8 months ago Petey Plays It
Watch :3 58:21
Untold Stories from GIA Field Gemology Expeditions (Part II) | GIA Knowledge Sessions Webinar Series
3K views • 4 years ago GIA (Gemological Institute of America)
Watch :3 09:27
That's how you'll find RUBIES and SAPPHIRES - #crystals #gems
1.9M views • 9 months ago Cabo Da Nau
Watch :3 08:42
Gemology Careers | How to Become a Gemologist Part 2!
28K views • 2 years ago Gemstones
Watch :3 16:52
Unboxing Tourmaline: Gemologist vs. Geologist
72K views • 2 years ago Gemstones
Watch :3 05:51
The Most Essential Gem Tools You Should Own
81K views • 1 year ago Gemstones
Watch :3 11:08
The Diamond Discovery in Australia That Changed Geology Forever
299K views • 1 month ago OzGeology
Watch :3 01:36:04
Gemstone Geology Documentary
78K views • 7 years ago juonny
Watch :3 00:59
What is this purply gem? #shorts #gemology #gems #gemstones #geology #science #learning
46K views • 1 year ago Gemstones
Watch :3 16:35
What to Read about Gems
7.2K views • 2 years ago Gemology for Schmucks
Watch :3 06:40
Gemologist vs Geologist: Examining Ruby
80K views • 6 years ago Gemstones

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