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Gemological Science (updated 2025-03-11)

Refractometer [upl. by Joris]
Duration: 2:46
36K views | Nov 14, 2012
Crystals Spirit Science 13 Part 1 [upl. by Enoj]
Duration: 9:51
547.4K views | Jan 9, 2012
The Sacred Geometry Movie [upl. by Oivat]
Duration: 1:44:46
3.3M views | Apr 14, 2014
Gem Identification Polariscope Basic Use [upl. by Einatirb]
Duration: 8:30
83.8K views | May 16, 2014
Unboxing Tools for Identifying Gemstones [upl. by Wolk]
Duration: 10:34
27.1K views | Dec 11, 2018
Gems and Minerals at the Smithsonian [upl. by Anillek]
Duration: 5:05
38.3K views | May 24, 2018
GemA Education How to use the refractometer [upl. by Jurkoic188]
Duration: 9:48
28.4K views | Oct 29, 2020
Every Diamond Tells a Story [upl. by Annaiviv]
Duration: 2:11
911 views | Nov 20, 2017
How to Read a GIA Grading Report Video by GIA [upl. by Gney555]
Duration: 3:24
58.2K views | Jul 21, 2014
5 Simple Gem Tests Anyone Can Do Unboxing [upl. by Mecke]
Duration: 20:27
211.2K views | Mar 30, 2021
How to Classify a Lead Glass–Filled Ruby by GIA [upl. by Lamori699]
Duration: 5:28
163.6K views | Jul 21, 2014
Why labgrown diamonds are better than mined diamonds [upl. by Manolo]
Duration: 8:42
1.2M views | Mar 5, 2021
Price Difference between GIA amp IGI Certified Diamonds DUGEMOLOGY [upl. by Ainig]
Duration: 11:14
162.2K views | Apr 17, 2021
How do you KNOW what a gem is Refractometer Tutorial [upl. by Johppah]
Duration: 11:46
56.2K views | Mar 12, 2020
ADVANCE SYNTHETIC DIAMOND CLASS [upl. by Leahciam]
Duration: 8:02
798 views | Sep 20, 2022
MENGENAL COLOR CHANGE CORUNDUM [upl. by Trab]
Duration: 3:23
1.1K views | 9 months ago
EFEK FLUORESCENT PADA BERLIAN [upl. by Burgener]
Duration: 6:29
1.6K views | Aug 23, 2022
CARA MENGETAHUI EMERALD DOUBLET [upl. by Notyep]
Duration: 2:31
923 views | 2 months ago
MENGENAL BATU SULTAN ZULTANITE [upl. by Statis]
Duration: 2:30
2.9K views | 2 months ago
About Gemological Science International GSI [upl. by Odab417]
Duration: 2:44
2K views | Jun 27, 2016
Chinese Jewelry Market [upl. by Iahcedrom]
Duration: 2:53
3.5K views | Feb 14, 2019
GSI Diamond Education Courses [upl. by Ycnalc542]
Duration: 2:12
275 views | Jan 28, 2020
APA YANG DIMAKSUD DENGAN HERKIMER DIAMOND [upl. by Jeffy]
Duration: 3:00
1.4K views | 6 months ago





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