National Shutdowns have put the lid on most shows.
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 Post subject: Re: No luck, identifying this green stone...
PostPosted: Thu Sep 24, 2020 5:48 pm 
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Posts: 952
glhays wrote:
Sounding like possibly corundum? The SG fits. The RI not far off. Awaiting final results.


Yep Greg, back to my original most likely by looking at it. Biggest issues are still unreliable RI, and corundum is DR. Looking forward to the lab report.


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 Post subject: Re: No luck, identifying this green stone...
PostPosted: Fri Oct 02, 2020 5:55 am 
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Joined: Mon Aug 28, 2017 10:39 am
Posts: 59
Location: Birmingham - England
I've been watching this thread with interest
My immediate reaction the first time I saw it was "volcanic glass"
(a current link for comparison of different polishings etc : https://www.etsy.com/market/green_volcanic_glass) also the setting doesn't appear to be very high quality to me?

Given the vague measurements discussion is there some clear reason this
couldn't be volcanic glass? (I'm in learning mode here...)

john


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 Post subject: Re: No luck, identifying this green stone...
PostPosted: Fri Oct 02, 2020 12:27 pm 
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All of the OP's test results kinda point to corundum.
I don't necessarily trust those results.
We'll see what the GIA results are.

Looks like volcanic glass to me too.


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