Back to: Gemology Tools
The refractometer is an essential instrument for gemmologists looking to identify gemstones. It can be a tricky tool to master, but if you learn the correct technique it can help you to identify a wide number of gemstones. This video will cover the correct use of a refractometer, how to get an RI reading from a stone, and the possible results that you will see when testing. Watch this video to help you get to grips with the practical use of this gemological instrument. This video is brought to you by Gem-A Education in association with Julia Griffith FGA DGA EG.