Последние добавленные видео:
gemology
-
3 years ago
117459 3 years ago 7:34How To Become A Gemologist? | How To Start Your Career In Gemology
-
1 year ago
1192873 1 year ago 17:45Mineralogist Answers Gemstone Questions From Twitter | Tech Support | WIRED
-
3 years ago
11693 3 years ago 15:25Gemology Schools: A Candid Review from Someone Who's Been There.
-
3 years ago
4972 3 years ago 6:26Is Gemology a Good Career Choice? (Common Questions Answered)
-
1 year ago
3641 1 year ago 2:45Mastering Gemology: The Complete Beginner's Guide to Gemstones #gems
-
7 months ago
12100 7 months ago 23:35Famous Gemologist Explains Everything About Gemstones | Navratna | Part 1 | 2024 #gemstones
-
4 years ago
273243 4 years ago 1:11:32Gem-A Live: Understanding Gemstone Species and Varieties
-
3 years ago
70025 3 years ago 17:17Gemology Tools: What Do I Buy, When?
-
2 years ago
6795 2 years ago 41:44Diamond Grading Essentials: ISG Journey Thru Gemology Online Classroom
-
1 year ago
24568 1 year ago 10:48Best Gemstone Tool
-
2 years ago
87717 2 years ago 5:51The Most Essential Gem Tools You Should Own
-
7 years ago
80948 7 years ago 6:40Gemologist vs Geologist: Examining Ruby
-
4 years ago
47521 4 years ago 6:49Gemology Tools: Pleochroism & the Dichroscope
-
2 years ago
427853 2 years ago 14:16Unboxing Emeralds: Gemologist vs. Geologist