Is there any plans for a Spinel minicourse? I would love that.
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We are adding new gem mini-courses soon, however, we don’t have specific plans for a spinel course at the moment. But we’ll keep spinel in mind as we consider additional courses down the line.
Pedro
IGS Admin
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My vote for next Minicourse is ALL things Chrysoberyl
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Any Preview of what you are considering after Tourmaline
Aquamarine, amethyst, and gemstone treatments (not necessarily in that order).
Pedro
IGS Admin
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Seems that gem families would take precedence over individual members of families (Emerald, Aquamarine,Morganite, Heliodor,Bixbyte(Yes I know the name confusion), Goshenite, etc), (Citrine, Amethyst, Ametrine and many other quartz). In any case, renew my request for Chrysoberyl with particular emphasis on natural vs laboratory colors, especially with Cats-Eye). The Spinel request seems also to have merit.
Will the treatment minicourse also cover known synthetics (aware of preference for Lab Created)
A lot to do
The treatment course will focus on techniques used to enhance gemstones and how to detect them. It does not cover synthetics/lab-created stones, although we will cover topics such as assembled stones, hybrid stones (part-natural/part synthetic stones, like ruby/glass hybrids), and HPHT processes. The subject of synthetic stones would probably merit its own separate minicourse.
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We’ll also consider adding a Chrysoberyl course in the future!
Pedro
IGS Admin
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LOL Since I have "bothered"you before, let me do so again. Considering the depressed state of the world economy due to CoViD, why not prioritize something lovely but comparatively inexpensive. Maybe that was exactly what you were doing with the upcoming amethyst course. However, the “family” of agates include a bewildering range of colors and almost “unworldly” patterns. These are things that almost anyone could afford yet very poorly known and understood. Just a suggestion.
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Yes, I am interesting in Spinel mini course too.
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Yes! One more vote for spinel mini course 
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Totally need a Tourmaline course!
We have one.
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Nice!! Imma start that course asap
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A spinel course would be truly excellent