New Mineral Named After GIA’s John Koivula
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 Post subject: Re: Tutorial on Using a Reftactometer
PostPosted: Tue May 17, 2016 2:29 pm 
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One flat polished surface will work...And it doesn't need to be large.


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 Post subject: Re: Tutorial on Using a Reftactometer
PostPosted: Fri May 20, 2016 3:35 pm 
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Hi Barbra, sorry for the late reply and thanks very much for this useful information.


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 Post subject: Re: Tutorial on Using a Reftactometer
PostPosted: Sun Jan 27, 2019 6:28 am 
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Hello everyone, I have made a tutorial of using Gemological Refractometer. Hope it would be helpful
[youtube] https://youtu.be/65Ox3bHuZjs [/youtube]


Best Regards, Kyrylo Gubariev.


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 Post subject: Re: Tutorial on Using a Reftactometer
PostPosted: Sun Jan 27, 2019 1:23 pm 
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Excellent Kyrylo!
Thank you so much for sharing this with us,
Solid tutorial, well done.


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 Post subject: Re: Tutorial on Using a Reftactometer
PostPosted: Sun Jan 27, 2019 2:18 pm 
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Barbra Voltaire wrote:
Excellent Kyrylo!
Thank you so much for sharing this with us,
Solid tutorial, well done.

Thank you Ms. Voltaire, I appreciate your response :)


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