6.5K views · 156 reactions | The very fastest lesson on the...
1:16
FacebookChalmers Gems
6.5K views · 156 reactions | The very fastest lesson on the...
Chalmers Gems. . The very fastest lesson on the Refractometer! We had a request from a follower to see what’s inside the Refractometer so here you go 😁 This little piece of equipment is a Refractometer and it measures the Refractive Index of the gemstone and therefore scientifically helps us identify the material. It is far more ...
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