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 Post subject: What kind of inclusions are these?
PostPosted: Thu Mar 12, 2020 4:13 am 
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I would be most grateful for any opinions on these inclusions in a flame fusion spinel. :)


Attachments:
File comment: Visible, looks like a tiny scratch. ca 5 mm in length.
Thu Sep 26 19-34-56.jpg
Thu Sep 26 19-34-56.jpg [ 26.85 KiB | Viewed 358 times ]
Thu Oct 24 16-52-36.jpg
Thu Oct 24 16-52-36.jpg [ 1.38 MiB | Viewed 358 times ]
File comment: Visible with loupe, ca 0.5 mm
Thu Oct 24 16-48-06.jpg
Thu Oct 24 16-48-06.jpg [ 31.67 KiB | Viewed 358 times ]
Tue Mar 10 15-15-35.jpg
Tue Mar 10 15-15-35.jpg [ 101.9 KiB | Viewed 358 times ]
File comment: Visible with loupe, ca 2 mm in length.
Tue Mar 10 15-15-59.jpg
Tue Mar 10 15-15-59.jpg [ 107.93 KiB | Viewed 358 times ]
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 Post subject: Re: What kind of inclusions are these?
PostPosted: Wed Mar 18, 2020 8:08 am 
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Location: Birmingham - England
Since none of the experts have said what they are I'll
offer my (uneducated) guess at - explosive gaseous bubbles ?


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 Post subject: Re: What kind of inclusions are these?
PostPosted: Thu Mar 19, 2020 4:05 am 
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johngemo wrote:
Since none of the experts have said what they are I'll
offer my (uneducated) guess at - explosive gaseous bubbles ?


Thank you very much for your reply!
I appreciate any help or guess :wink: perhaps you have a picture? (fingers crossed)

I have searched for inclusions pics of flame fusion spinel, but I can't find much at all. Most of them are of flame fusion corundum and doesn't resemble what I see.


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 Post subject: Re: What kind of inclusions are these?
PostPosted: Fri Mar 20, 2020 9:21 am 
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Actually - following one of the links Barbra posted recently I noticed some inclusions
in photo's similar to yours - particularly the straight ones.
In this case the inclusions were said to be liquid.

given the use use of hydro/oxygen in the manufacturing process I guess
it isn't beyond the possibility that you have water inclusions - assuming
the stone is in fact flame-fusion

Still just a guess though. After that I'd be asking stephen about his current
price on a raman device... :)


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 Post subject: Re: What kind of inclusions are these?
PostPosted: Fri Mar 20, 2020 2:24 pm 
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Ramans are amazing tools, but you'd need a confocal raman microscope to identify inclusions which tend to be in a higher price bracket.

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 Post subject: Re: What kind of inclusions are these?
PostPosted: Fri Mar 20, 2020 6:21 pm 
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cough cough...."available at a higher↑ higher↑ higher↑ price bracket."
Or considerably more.


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