How do you KNOW what a gem is? [Refractometer Tutorial]
11:46
How do you KNOW what a gem is? [Refractometer Tutorial]
67.8K viewsMar 12, 2020
YouTubeGemology for Schmucks
Gem-A Education: How to use the refractometer
9:48
Gem-A Education: How to use the refractometer
32.9K viewsOct 29, 2020
YouTubeGem-A
Gem Testing Tutorial: how to use the Refractometer and measure the Refractive Index of gems
4:58
Gem Testing Tutorial: how to use the Refractometer and measure th…
143 views2 months ago
YouTubewhat the gem
How To Use A Refractometer? - The Collectibles Guide
3:26
How To Use A Refractometer? - The Collectibles Guide
5 months ago
YouTubeThe Collectibles Guide
Gemmology lesson no.2 The Refractometer This is a video tutorial on how to use the refractometer an
48:09
Gemmology lesson no.2 The Refractometer This is a video tuto…
28 views8 months ago
YouTubeMark Smith
Gem Identification - Refractometer Basic Use
9:46
Gem Identification - Refractometer Basic Use
84.5K viewsMay 27, 2014
YouTubeAwaken Crystals
Gem Tools: Refractometer
12:01
Gem Tools: Refractometer
51.4K viewsMay 18, 2021
YouTubeGemstones
2:46
How To Identify a Gemstone using a refractometer
39.7K viewsJun 23, 2022
YouTubeDF HOMSY DIAMONDS
2:57
How to Calibrate and Use a Refractometer for Beginners
8.4K viewsFeb 29, 2024
YouTubeTRADESAFE
5:41
How to Calibrate and Use a Refractometer | Step-by-Step Guide
622 views11 months ago
YouTubeNo Co2 Planted Tank
6:07
How to Use the Refractometer
1.2K viewsApr 27, 2023
YouTubeUnited States Gemological Institute
10:15
Refractometers, How Do They Work? (And Should You Buy One?)
22.2K viewsJan 25, 2022
YouTubejkim makes
6:11
🌟 -- How to Use a Refractometer (Abbe)
75.2K viewsOct 8, 2016
YouTubeSenpai Learn
0:59
Measurement process with the SmartRef Refractometer
600 viewsSep 25, 2024
YouTubeEasyDens Anton Paar
7:41
How to Use a Refractometer (and Why You Should)
984 viewsSep 22, 2024
YouTubeMy Country Life
2:49
How To Use A Refractometer? - How It Comes Together
11 views5 months ago
YouTubeHow It Comes Together
4:42
How to read a refractometer | BRStv How-To
224.3K viewsMay 31, 2017
YouTubeBRStv - Saltwater Aquariums & Reef Tanks
0:55
How to Authenticate Gemstones With the Presidium Refractive Ind…
30.4K viewsJun 1, 2011
YouTubePresidium Instruments
0:33
How to operate an Abbe refractometer? - LABOAO
25.2K viewsJul 28, 2022
YouTubeLaboao
17:17
Gemology Tools: What Do I Buy, When?
81.1K viewsSep 14, 2021
YouTubeGemology for Schmucks
1:25
Hand refractometers
119.9K viewsMay 3, 2016
YouTubeAuxilab
3:46
Abbe refractometer (The use and how it works)
118.2K viewsAug 17, 2017
YouTubeRandom Experiments Int. - Experiments and sy…
7:52
How to Use a Refractometer
1.7K viewsSep 26, 2022
YouTubeQualiChem, Inc.
6:33
How to Use an Auto Refractometer – Step-by-Step Guide for Accurate E…
4.3K views9 months ago
YouTubeDR Vishnu Chandel
5:03
How to use a refractometer - step by step example shown using antifre…
13.2K viewsMay 10, 2021
YouTubeecologicaltime
3:42
How to calibrate a refractometer | Tanknicians Tips
6.5K viewsAug 13, 2022
YouTubeTanknicians
9:43
Can You Identify Jade with a Presidium Gem Tester?
4.7K viewsAug 4, 2024
YouTubeJewels of the Trade
7:26
How to Use a Refractometer
37.8K viewsNov 21, 2015
YouTubeDiane Barrett
16:47
Top Gemology Tools You Need: A Complete Guide for Beginners & E…
1.7K views7 months ago
YouTubeLittle Movie Magic🌟
3:36
Gemstone Identification Using The Refractometer
1.1K viewsAug 3, 2022
YouTubeSherrie Taylor
See more videos
Static thumbnail place holder