Green is not a color one often sees resulting from Be diffusion. But you could always send the sapphire to GIA of AGL for further testing.
Beryllium Diffusion of Ruby and Sapphire
John L. Emmett, Kenneth Scarratt, Shane F. McClure, Thomas Moses, Troy R. Douthit, Richard Hughes, Steven Novak ...
Search found 18694 matches
- Sat May 10, 2025 12:37 pm
- Forum: Questions for the Experts
- Topic: Confusing gemstone report
- Replies: 4
- Views: 400
- Sat May 10, 2025 12:09 pm
- Forum: Field Trips for Gem Hunters
- Topic: Walk through the gemstone market in Chantaburi.
- Replies: 2
- Views: 447
Re: Walk through the gemstone market in Chantaburi.
Grand pics, ChrisP!
- Sat May 10, 2025 12:06 pm
- Forum: Synthetics and Treatments
- Topic: Unheated verneuil ruby
- Replies: 10
- Views: 3711
Re: Unheated verneuil ruby
Sidebar. Treatment to me, suggests a post formation event.
A natural ruby undergoes heat treatment in an attempt to improve its characteristics, right?
If no indications of heat treatment are found, it can be labeled as "no evidence of heat treatment".
Earth mined rubies typically form at high ...
A natural ruby undergoes heat treatment in an attempt to improve its characteristics, right?
If no indications of heat treatment are found, it can be labeled as "no evidence of heat treatment".
Earth mined rubies typically form at high ...
- Sat May 10, 2025 11:55 am
- Forum: Synthetics and Treatments
- Topic: Unheated verneuil ruby
- Replies: 10
- Views: 3711
Re: Unheated verneuil ruby
I don't see any pics.
- Tue Apr 29, 2025 3:17 pm
- Forum: CSI: Colored Stone Identification
- Topic: corundum
- Replies: 4
- Views: 867
Re: corundum
Aso, note that I moved your post to CSI: Colored Stone Identification.
- Tue Apr 29, 2025 3:15 pm
- Forum: CSI: Colored Stone Identification
- Topic: corundum
- Replies: 4
- Views: 867
Re: corundum
Hello.
I think your pictures depict faceting abrasion on the surface of your stone, not internal characteristics.
I think your pictures depict faceting abrasion on the surface of your stone, not internal characteristics.
- Sun Apr 27, 2025 12:18 am
- Forum: Field Trips for Gem Hunters
- Topic: Australia's Gemfields
- Replies: 8
- Views: 3306
Re: Australia's Gemfields
Well worth it. Thanks. 

- Thu Apr 24, 2025 12:11 pm
- Forum: Field Trips for Gem Hunters
- Topic: Australia's Gemfields
- Replies: 8
- Views: 3306
Re: Australia's Gemfields
Chris, I had to delete your photos because they were not loading properly.
Please try submitting them again.
Thanks.
Please try submitting them again.
Thanks.
- Wed Apr 23, 2025 9:50 pm
- Forum: Vintage & Antique Gemstones, Jewellery and Obects D'Art
- Topic: ASJRA Annual Conference
- Replies: 0
- Views: 1242
- Fri Apr 18, 2025 12:55 pm
- Forum: Field Trips for Gem Hunters
- Topic: An expedition to the Pyrenees for French Jet
- Replies: 2
- Views: 454
Re: An expedition to the Pyrenees for French Jet
Brilliant. Your narration is haunting.
- Fri Apr 11, 2025 12:18 pm
- Forum: Actual Announcements Regarding Our Forum
- Topic: FORUM FORMAT UPDATED
- Replies: 2
- Views: 1846
FORUM FORMAT UPDATED
After 25 years of the old phpBB format, the coding became obsolete and would no longer be supported. The decades of our information would have disappeared in a puff of internet obsolescence.
The new format is current and obviously generic, but all still works and all info has been saved.
Let me ...
The new format is current and obviously generic, but all still works and all info has been saved.
Let me ...
- Sun Mar 30, 2025 12:31 pm
- Forum: Colored Stones
- Topic: New source of Vayrynenite
- Replies: 3
- Views: 2885
Re: New source of Vayrynenite
I want one,
- Sun Mar 30, 2025 12:28 pm
- Forum: SCAMS: Gem, Jewelry and related
- Topic: The magic behind the "quanta"
- Replies: 4
- Views: 2880
Re: The magic behind the "quanta"
Wow...just wow.
- Mon Mar 17, 2025 10:28 pm
- Forum: Diamonds
- Topic: Thanks to Bill Hoeferi, I'm sharing this link
- Replies: 1
- Views: 3828
Thanks to Bill Hoeferi, I'm sharing this link
Hello Everyone!
One of the classic books on diamond cut was written by Frank Wade, called Diamonds, A Study of the Factors That Govern Their Value, 1916. It chats about “ideal cut” in diamonds. You can read it online here;
https://archive.org/details/diamondsastudyf00wadegoog/page/n9/mode/2up ...
One of the classic books on diamond cut was written by Frank Wade, called Diamonds, A Study of the Factors That Govern Their Value, 1916. It chats about “ideal cut” in diamonds. You can read it online here;
https://archive.org/details/diamondsastudyf00wadegoog/page/n9/mode/2up ...
- Sun Mar 09, 2025 12:03 pm
- Forum: Photography & Photomicrography
- Topic: tiny measurements
- Replies: 2
- Views: 3109
Re: tiny measurements
I just tweaked the levels a bit and got more contrast.