New Mineral Named After GIA’s John Koivula
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 Post subject: Laser treatment, no channels?
PostPosted: Wed Nov 09, 2011 7:49 am 
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The person at the Gem-A graduation ceremony who was handing out the diplomas in London this year was a gent by the name of Jeffrey Monnickendam. During the speech he made to the new Grads, he mentioned a diamond treatment involving two lasers, no channels in the stone and no burn marks on the surface.

No mention of this in the DGA notes, can anyone explain how this works and how to detect it?


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 Post subject: Re: Laser treatment, no channels?
PostPosted: Wed Nov 09, 2011 11:47 am 
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What did the described treatment accomplish?


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 Post subject: Re: Laser treatment, no channels?
PostPosted: Wed Nov 09, 2011 12:34 pm 
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He didn't go into detail, presumably the same thing as "conventional" laser treatments, making the inclusion less visible. Add hand motions showing 10 and 2 o'clock beams converging on a central point.


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 Post subject: Re: Laser treatment, no channels?
PostPosted: Wed Nov 09, 2011 7:47 pm 
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africanuck wrote:
He didn't go into detail, presumably the same thing as "conventional" laser treatments, making the inclusion less visible. Add hand motions showing 10 and 2 o'clock beams converging on a central point.


He doesn't by chance moonlight as a Driver's Training Instructor? :)

Anuck,
Maybe he was referring to the KM laser treatment (circa 2000) that doesn't leave traditional laser tunnels, but more natural fracture like tracing.

It's searchable.


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 Post subject: Re: Laser treatment, no channels?
PostPosted: Thu Nov 10, 2011 6:57 am 
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JB, lol. No... Here in the UK, it's 2 and 10 :wink:

I suppose he could have been, but KM still leaves a surface reaching fracture, albiet a winding one. I guess that doesn't qualify as a "channel". Now I'm disappointed, I was hoping that it was something new and exciting.


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 Post subject: Re: Laser treatment, no channels?
PostPosted: Thu Jan 26, 2012 4:03 am 
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i am sure its KM treatment only ...but dont know if this treatment got new technological advancement also...can it be done in UK?? Mostly it could be done on lower quality goods.


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 Post subject: Re: Laser treatment, no channels?
PostPosted: Thu Jan 26, 2012 6:56 pm 
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I've also heard about something like that before (at least two lasers used, merged onto the inclusion, laser not hot enough individually to burn diamond, but hot enough to burn inclusion when they merge)


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