New Mineral Named After GIA’s John Koivula
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 Post subject: Data Updates on Specific Gravity and Refractive Index
PostPosted: Mon Jan 24, 2011 2:43 am 
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Just added:

-Specific Gravity of Common Gem Minerals

-Refractive Index of Common Gem Minerals Including Birefringence


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 Post subject: Re: Data Updates on Specific Gravity and Refractive Index
PostPosted: Mon Jan 24, 2011 7:12 am 
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Perfect!
So now I have to get a SG-kit, the only (almost) thing i do miss... 8)

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 Post subject: Re: Data Updates on Specific Gravity and Refractive Index
PostPosted: Mon Jan 24, 2011 7:28 am 
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:lol: =D> Good save Lennie :wink:
Hey, you can make your own SG kit.

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Keep em comin!!!

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 Post subject: Re: Data Updates on Specific Gravity and Refractive Index
PostPosted: Mon Jan 24, 2011 11:52 am 
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I set up a table for dispersion last evening.
http://www.gemologyproject.com/wiki/ind ... Dispersion
Reminder: All members of GP are ALWAYS free to add info...at any time.....on any topic....at any hour. :D


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 Post subject: Re: Data Updates on Specific Gravity and Refractive Index
PostPosted: Fri Jan 28, 2011 2:06 pm 
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Barbra Voltaire wrote:
I set up a table for dispersion last evening.
http://www.gemologyproject.com/wiki/ind ... Dispersion


Hi Barbra !

The board of dispersions does not contain any number ?

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 Post subject: Re: Data Updates on Specific Gravity and Refractive Index
PostPosted: Fri Jan 28, 2011 2:44 pm 
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I am aware of that.....
It takes several hours to do these tables.

I've just completed 1/2 of it.

My point is, ANY member of GP can add information.
Would you like to add values? :D


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 Post subject: Re: Data Updates on Specific Gravity and Refractive Index
PostPosted: Fri Jan 28, 2011 2:53 pm 
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Sorry Barbra , I just asked ... :oops: :smt092
I'm not a gemologist , only trying to know about gemstones , more and more !

Many Thanks for all your sharings with us

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