"Let's Read & Talk about Gemology" with John L. Emmett

[@karimguerchouche6148]

Excellent webinar always interesting to listen to Dr . John L. Emmett

[@allenwd1]

The most informative and interesting webinar yet. Thanks guys.

[@VincentPardieuFieldGemology]

:-) Great to read that!

[@GemmoRaman532]

just awesome, the best 2 hours spent on youtube since ages..............

[@VincentPardieuFieldGemology]

:-) Glad you enjoyed it!