All
Search
Images
Videos
Shorts
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
Scientific Gemmology Course - SSEF
6 months ago
ssef.ch
5:49
Spectroscope | Definition, Diagram & Parts
64K views
Nov 1, 2017
Study.com
3:31
What Are The Best Ways To Identify Vintage Jewelry Gemstones? - Je
…
4 views
2 months ago
YouTube
Jewelry Market Spotlight
12:44
Mastering the G.I.A. Refractometer with Norman Monteau
16 views
3 months ago
YouTube
Norman Monteau
8:24
Spectrophotometry
64.8K views
Aug 28, 2016
YouTube
Eric Pantano
8:21
Spectrometer
623.8K views
Jul 28, 2016
YouTube
Ability Software
1:03
Spectroscope
29K views
Nov 7, 2012
YouTube
FlinnScientific
Gem Identification - Refractometer Basic Use
84.5K views
May 27, 2014
YouTube
Awaken Crystals
Famous Astrologer Explained “How Gemstones Work” | Know Your Je
…
281.3K views
Nov 3, 2021
YouTube
GemRishi
Gemologist's Guide to Spectroscopes | Discover the Scie
…
21.6K views
Jan 30, 2023
TikTok
vitreoum
How To Become A Gemologist? | How To Start Your Career In Gemo
…
131K views
Apr 14, 2022
YouTube
Gemstones
Ever wondered how gemmologists *really* know what a stone is? 🔍💎 Wh
…
797 views
6 months ago
TikTok
birminghamassayoffice
11:01
DIY Spectroscopy: The Basics
17.1K views
May 30, 2019
YouTube
Manutek4000
12:01
Gem Tools: Refractometer
51.6K views
May 18, 2021
YouTube
Gemstones
5:46
GIA Gemological Laboratory by GIA
150.8K views
Sep 16, 2015
YouTube
GIA (Gemological Institute of America)
4:59
Experiment -Spectrometer (Diffraction Grating)
526.9K views
Dec 7, 2015
YouTube
Sairam Ravishankar
8:30
Gem Identification - Polariscope Basic Use
86K views
May 16, 2014
YouTube
Awaken Crystals
8:03
Astronomy - spectroscopy - 3/3
74.4K views
Jul 11, 2009
YouTube
rhcrcgvp
6:31
Spectrum Demo: Continuous and Emission
508.4K views
Aug 20, 2016
YouTube
Physics Demos
5:20
How to Identify Gemstones
162.2K views
Oct 17, 2019
YouTube
Gemstones
5:35
Gem Identification - Specific Gravity Made Easy
100.3K views
May 8, 2014
YouTube
Awaken Crystals
5:20
How to use a spectrophotometer (Spectronic 200E)
53.2K views
Jun 26, 2017
YouTube
ISU Gen Chem Lab Tutorials
5:05
Gems and Minerals at the Smithsonian
41.2K views
May 24, 2018
YouTube
GIA (Gemological Institute of America)
1:54
ATOMIC EMISSION SPECTRA Pre-Lab - NYA General Chemistry
13.9K views
Oct 25, 2017
YouTube
Dawson College Chemistry Department
4:29
How to Become a (Qualified) Gemologist
22.1K views
Jul 12, 2020
YouTube
Haywoods Gems
0:58
How does a spectrophotometer work?
1.5M views
Nov 4, 2011
YouTube
BioNetwork
6:48
How a Simple UV-visible Spectrophotometer Works
589.1K views
Sep 29, 2014
YouTube
ChemSurvival
9:48
Gem-A Education: How to use the refractometer
33.1K views
Oct 29, 2020
YouTube
Gem-A
2:05
PHO_212 - Reading Spectrograms: Words I
18.6K views
Jul 3, 2015
YouTube
The Virtual Linguistics and Literature Campus
16:53
How to Identify Gemstones & Minerals: Specific Gravity
76.8K views
Jul 5, 2017
YouTube
MoreGems.com
See more videos
More like this
Feedback