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 Post subject: GIAl Gem Refractometer
PostPosted: Sun Dec 29, 2013 9:33 pm 
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I need some help just obtained a older GIA Duplex II refractometer off of ebay and need to know did GIA make an older Duplex II in a heavy gray plastic or did I just buy a knock off item


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 Post subject: Re: GIAl Gem Refractometer
PostPosted: Mon Dec 30, 2013 8:43 am 
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i think this topic requires The Expert: Gene (G4Lab), 8)

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 Post subject: Re: GIAl Gem Refractometer
PostPosted: Mon Dec 30, 2013 9:01 am 
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And maybe a post under the right topic - Gem Equipment.
I think you´ll get much better answers there...

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 Post subject: Re: GIAl Gem Refractometer
PostPosted: Mon Dec 30, 2013 12:56 pm 
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Older Duplex II refractometers were in fact gray plastic instead of white.

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The views expressed here are the author's opinions and do not necessarily reflect those of the his employer.


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 Post subject: Re: GIAl Gem Refractometer
PostPosted: Fri Jan 10, 2014 1:35 pm 
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My Duplex II is grey. Works perfectly.

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