October 27-28—SACRAMENTO, CALIFORNIA: 82nd Annual Gem, Jewelry, Mineral and Rock Show; Sacramento Mineral Society; Sat. 10-5, Sun. 10-4
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 Post subject: Newto this forum with a simple question
PostPosted: Wed May 04, 2016 5:27 pm 
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Hello
I am based in Australia and have been faceting gemstones i=under the guidance of my father who passed away s little while ago. I have continued this hobby using his tools and equipment. Now and then i find something i can't figure out or haven't learned.
Just now I have found a couple of vials of diamond grit to be used for the polishing stages. they were purchased on one of his overseas holidays and i can't read the foreign writing on the labels. the only relevant numbers are
0-1 and 0-1/2

Do these numbers specify a certain grit size such as 3000 or 50,000 which is predominately what i use for polish and prepolish

thanking you in a anticipation.


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 Post subject: Re: Newto this forum with a simple question
PostPosted: Thu May 05, 2016 11:16 am 
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Joined: Mon Apr 02, 2012 9:31 pm
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Location: North Carolina
It's probably the size of the diamond in microns. 1 micron is 14,000, .5 microns is 50,000.

edit: oops, forgot to say welcome! You're in the right place :)


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 Post subject: Re: Newto this forum with a simple question
PostPosted: Thu May 05, 2016 11:32 am 
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Joined: Fri Nov 07, 2014 5:21 pm
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Location: Morden, MB, Canada
Stephen is right. They write this way in russia

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 Post subject: Re: Newto this forum with a simple question
PostPosted: Thu May 05, 2016 9:11 pm 
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Thank you ... that is very helpful


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