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»  » flourecence
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flourecence |
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| P: 1/6/2004 12:18:49 AM | |
guccienv Rough Rock Total Posts: 4 Last Post: 1/6/2004 Member Since: 1/5/2004 |
I have a question on how AGS rates their flourecence. What is the progression from good to bad? I've seen ratings of none, negligible, and inert. Are these three the same? Thank you.
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| Posted: 1/6/2004 12:18:49 AM | |
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There are 2 replies to this message. There are 2 replies on this page. |
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| P: 1/6/2004 4:45:23 AM | |
Giangi Ideal Rock Total Posts: 2,530 Last Post: 10/29/2006 Member Since: 1/23/2003 |
AGS = negligible, medium, strong, very strong GIA = none, faint, medium, strong, very strong EGLUSA = none, faint, medium, strong, very strong EGL Israel = none, very slight, slight, moderate, distinct, very distinct HRD = nil, slight, medium, strong IGI = none, very slight, slight, distinct, very strong 
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| Posted: 1/6/2004 4:45:23 AM | |
| P: 1/6/2004 12:35:28 PM | |
DiamondExpert Ideal Rock Total Posts: 1,243 Last Post: 6/20/2009 Member Since: 1/16/2003 |
The term "Inert" is the old AGS designation which has been replaced by Negligible, the latter of which now would include both no visible fluor. and a very faint to faint fluor. Many times the color of the fluorescence is not mentioned on certs...in >90% of cases it will be blue, but can be of other colors like green, yellow, etc. |
| Posted: 1/6/2004 12:35:28 PM | |
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