Joined: Wed Jan 03, 2007 11:21 pm Posts: 120 Location: Las Vegas, NV
Actually, there are a lot of GIA people here. You can find them at the AGS headquarters over on West Sahara Ave.
I just staked out the strip for myself before they got here!
_________________ Best Regards From,
Tom Goodwin, G.G.
"Always do the right thing. Your friends will be gratified and your enemies amazed." -Mark Twain
Joined: Thu Jun 15, 2006 3:21 am Posts: 426 Location: New York City
The better Brazilian material (not all), if you've seen it has a luminosity that African material does not share. The term first used was electric and later neon. The African material does resemble the non - neon Brazilian Paraiba.
I use the term day-glo sometimes to distinguish it from highly refractive fully saturated well cut gems that are understandably described as electric and neon.
Also, some of the windex blue neon and non-neon Brazilian Paraiba is not heat treated. I say this with certainty as I have both certed.
How is the stone tested to be a Pad or not? I just thought it was a matter of being a sapphire, from SL, and of the right amounts of red and orange (which is supposedly subjective).
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