New Mineral Named After GIA’s John Koivula
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 Post subject: Re: whats classed as "green beryl" to emerald.
PostPosted: Fri Jul 05, 2019 1:05 pm 
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I think it may be appropriate to point out that mineralogy is not synonymous with gemology. cough cough.
Chemistry is the main criteria when categorizing a mineral, but it can be a relatively minor criteria when categorizing a "gem".
A "gem", IMO, is as much (perhaps more) of an aesthetic determination.


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 Post subject: Re: whats classed as "green beryl" to emerald.
PostPosted: Fri Jul 05, 2019 4:24 pm 
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Barbra Voltaire wrote:
Sidebar:
I think it may be appropriate to point out that mineralogy is not synonymous with gemology. cough cough.
Chemistry is the main criteria when categorizing a mineral, but it can be a relatively minor criteria when categorizing a "gem".
A "gem", IMO, is as much (perhaps more) of an aesthetic determination.


Agreed, this is absolutely the essence of Variety calls in gemmology. As such there will always be room for discussion and disagreement in this.


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