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Последние добавленные видео:
gemology
3 years ago
How To Become A Gemologist? | How To Start Your Career In Gemology
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3 years ago
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1 year ago
Mineralogist Answers Gemstone Questions From Twitter | Tech Support | WIRED
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1 year ago
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3 years ago
Gemology Schools: A Candid Review from Someone Who's Been There.
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3 years ago
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3 years ago
Is Gemology a Good Career Choice? (Common Questions Answered)
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3 years ago
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1 year ago
Mastering Gemology: The Complete Beginner's Guide to Gemstones #gems
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1 year ago
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7 months ago
Famous Gemologist Explains Everything About Gemstones | Navratna | Part 1 | 2024 #gemstones
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7 months ago
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4 years ago
Gem-A Live: Understanding Gemstone Species and Varieties
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4 years ago
1:11:32
3 years ago
Gemology Tools: What Do I Buy, When?
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3 years ago
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2 years ago
Diamond Grading Essentials: ISG Journey Thru Gemology Online Classroom
6795
2 years ago
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1 year ago
Best Gemstone Tool
24568
1 year ago
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2 years ago
The Most Essential Gem Tools You Should Own
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2 years ago
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7 years ago
Gemologist vs Geologist: Examining Ruby
80948
7 years ago
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4 years ago
Gemology Tools: Pleochroism & the Dichroscope
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Unboxing Emeralds: Gemologist vs. Geologist
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2 years ago
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