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Fluorescence

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abhwth

Rough_Rock
Joined
Mar 6, 2002
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2
can someone please explain the concept of fluorescence? It is my understanding that this can sometimes cause a stone to be misgraded up one color or is that an out of date view? Does fluorescence ever occur as a by product of color enhancement?
 

lawmax

Brilliant_Rock
Joined
Dec 31, 1999
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1,317
You can read about fluorescence in the tutorial. https://www.pricescope.com/tutor_fluor.asp
 

abhwth

Rough_Rock
Joined
Mar 6, 2002
Messages
2
I read the tutorial but it does not answer the question of whether flouresence is ever a by product of color enhancement. Also, is this something that in a lower color graded stone would be seen as desirable?
 

lawmax

Brilliant_Rock
Joined
Dec 31, 1999
Messages
1,317
I believe that either a stone comes out of the ground fluorescing or it doesn't. I don't think enhancements affect this, but I'm not an expert. Yes, blue (not yellow) fluorescence can be an asset by making a lower color stone look whiter. The only concern may be if the fluorescence is so strong that the stone could look oily or milky. I've seen it, but I don't think it happens often. I like blue fluorescence in diamonds.

Hope this helps. :)
 
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