Gem Identification - Refractometer Basic Use
A tutorial on the use of the Gem Refractometer, to help to identify a transparent gemstone. This video covers the basic use of this gemological instrument, and how it works.
![How do you KNOW what a gem is? [Refractometer Tutorial]](https://i.ytimg.com/vi/egpxFVwtNRo/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLDDP6R2HZIOB1sJeD8tl2XAhQSxsw)
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