GIA Current Research

Moderators: Stephen Challener, Barbra Voltaire, FGG, Alberto

New Topic

39 topics • Page 1 of 1

Topics

Replies

Views

Last post

Quantifying Diamond Fluorescence and Its Visual Impact

Last post by dchallener « Mon Jun 05, 2023 9:12 pm
Replies: 8
by Barbra Voltaire, FGG » Thu Dec 16, 2021 7:37 pm

8 Replies

44441 Views

Last post by dchallener
Mon Jun 05, 2023 9:12 pm
Blue sapphires from Kataragama, Sri Lanka

Last post by bacjanaka « Mon Jan 09, 2023 12:25 pm
Replies: 3
by vincent pardieu » Wed May 02, 2012 6:01 am

3 Replies

15001 Views

Last post by bacjanaka
Mon Jan 09, 2023 12:25 pm
New Emerald Locality in Southrn California

Last post by path914 « Thu Jun 02, 2022 1:16 pm
Replies: 15
by Barbra Voltaire, FGG » Fri Aug 20, 2021 10:59 pm
1

2
15 Replies

12320 Views

Last post by path914
Thu Jun 02, 2022 1:16 pm
A Glimmer of Hope: The World's Most Famous Blue Diamond

Last post by Barbra Voltaire, FGG « Thu Dec 16, 2021 7:46 pm

by Barbra Voltaire, FGG » Thu Dec 16, 2021 7:46 pm

0 Replies

21834 Views

Last post by Barbra Voltaire, FGG
Thu Dec 16, 2021 7:46 pm
Inclusions in Natural, Synthetic, and Treated Ruby

Last post by path914 « Fri Jun 12, 2020 2:03 pm
Replies: 3
by Barbra Voltaire, FGG » Wed Apr 15, 2020 3:12 pm

3 Replies

12364 Views

Last post by path914
Fri Jun 12, 2020 2:03 pm
Improving the Future of Origin Determination. What's Next?

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:48 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:48 pm

0 Replies

6554 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:48 pm
A Review of Analytical Methods Used in Origin Determination

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:46 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:46 pm

0 Replies

2593 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:46 pm
Geographic Origin Determination of Alexandrite

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:45 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:45 pm

0 Replies

2311 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:45 pm
Emerald: Geopgraphic Origin Determination

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:43 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:43 pm

0 Replies

2256 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:43 pm
Geographic Origin Determinatoio of Ruby

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:41 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:41 pm

0 Replies

2264 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:41 pm
Research Collections and the Development of Gem Deposits

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:35 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:35 pm

0 Replies

2148 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:35 pm
Blue Sapphire Geographic Origin Determination

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:34 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:34 pm

0 Replies

2211 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:34 pm
INCLUSIONS IN NATURAL, TREATED, SYNTHETIC,AND IMITATION OPAL

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:29 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:29 pm

0 Replies

2236 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:29 pm
Geographic Origin Dilemma

Last post by Barbra Voltaire, FGG « Wed Feb 26, 2020 9:23 pm

by Barbra Voltaire, FGG » Wed Feb 26, 2020 9:23 pm

0 Replies

2176 Views

Last post by Barbra Voltaire, FGG
Wed Feb 26, 2020 9:23 pm
G&G Micro-world article

Last post by dchallener « Wed Jan 08, 2020 6:54 pm
Replies: 5
by path914 » Tue Jan 07, 2020 6:04 pm

5 Replies

3891 Views

Last post by dchallener
Wed Jan 08, 2020 6:54 pm
New Find of Deep Blue Aquamarine from in Nigeria

Last post by Stephen Challener « Thu Nov 28, 2019 11:08 pm
Replies: 2
by Barbra Voltaire, FGG » Wed Nov 27, 2019 9:44 pm

2 Replies

3279 Views

Last post by Stephen Challener
Thu Nov 28, 2019 11:08 pm
Madagascar Sapphire: Low-Temperature Heat Treatment

Last post by Barbra Voltaire, FGG « Tue Nov 26, 2019 1:16 pm
Replies: 4
by Barbra Voltaire, FGG » Mon Aug 19, 2019 3:12 pm

4 Replies

8127 Views

Last post by Barbra Voltaire, FGG
Tue Nov 26, 2019 1:16 pm
Inclusions:Natural, Treated, Synthetic, and Imitation Opals

Last post by JackTrick « Mon Nov 04, 2019 2:33 pm
Replies: 3
by Barbra Voltaire, FGG » Mon Aug 19, 2019 3:03 pm

3 Replies

4081 Views

Last post by JackTrick
Mon Nov 04, 2019 2:33 pm
"Rubies from Cambodia and Thailand"

Last post by Barbra Voltaire, FGG « Sat Nov 11, 2017 5:30 pm

by Barbra Voltaire, FGG » Sat Nov 11, 2017 5:30 pm

0 Replies

7130 Views

Last post by Barbra Voltaire, FGG
Sat Nov 11, 2017 5:30 pm
Vanadium and Chromium-Bearing “Color-Change” Pyrope Garnet

Last post by MADADIDIERITE « Thu Mar 23, 2017 4:14 am
Replies: 8
by Nathan Renfro » Wed Jan 20, 2016 9:01 pm

8 Replies

6875 Views

Last post by MADADIDIERITE
Thu Mar 23, 2017 4:14 am
Bluish Green Chalcedony

Last post by Barbra Voltaire, FGG « Sat Feb 27, 2016 2:27 pm
Replies: 5
by Nathan Renfro » Sun Jan 31, 2016 8:55 pm

5 Replies

4907 Views

Last post by Barbra Voltaire, FGG
Sat Feb 27, 2016 2:27 pm
New Field Report from Vincent Pardieu

Last post by dchallener « Thu Nov 12, 2015 11:15 pm
Replies: 2
by Barbra Voltaire, FGG » Tue Oct 13, 2015 5:34 pm

2 Replies

3789 Views

Last post by dchallener
Thu Nov 12, 2015 11:15 pm
Joseph Gill's 81 years of G&G Free Download

Last post by tman « Sat Oct 24, 2015 4:31 am
Replies: 2
by Barbra Voltaire, FGG » Fri Sep 11, 2015 10:50 am

2 Replies

4794 Views

Last post by tman
Sat Oct 24, 2015 4:31 am
Field Gemology videos on the new GIA in Thailand website

Last post by vincent pardieu « Fri Jun 26, 2015 12:49 pm

by vincent pardieu » Fri Jun 26, 2015 12:49 pm

0 Replies

3522 Views

Last post by vincent pardieu
Fri Jun 26, 2015 12:49 pm
Horsetails in Pakistani Demantoids

Last post by Stephen Challener « Fri Mar 13, 2015 12:15 pm
Replies: 2
by Stephen Challener » Wed Mar 11, 2015 9:01 pm

2 Replies

3943 Views

Last post by Stephen Challener
Fri Mar 13, 2015 12:15 pm
Article about Mogok on GIA website.

Last post by Mhoare87 « Wed Jun 04, 2014 7:13 am
Replies: 8
by Barbra Voltaire, FGG » Mon Apr 14, 2014 11:19 pm

8 Replies

6448 Views

Last post by Mhoare87
Wed Jun 04, 2014 7:13 am
Update about rubies from Mozambique

Last post by danielle « Wed Oct 23, 2013 2:16 pm
Replies: 8
by vincent pardieu » Mon Sep 14, 2009 5:40 am

8 Replies

8927 Views

Last post by danielle
Wed Oct 23, 2013 2:16 pm
Beryllium Treated Blue Sapphires

Last post by Alberto « Wed Oct 16, 2013 9:27 am
Replies: 6
by vincent pardieu » Fri Jun 26, 2009 12:00 pm

6 Replies

8077 Views

Last post by Alberto
Wed Oct 16, 2013 9:27 am
Vincent Pardieu -Treatment / mining connection

Last post by vincent pardieu « Thu May 23, 2013 12:33 pm
Replies: 8
by Alberto » Thu May 02, 2013 3:52 am

8 Replies

6739 Views

Last post by vincent pardieu
Thu May 23, 2013 12:33 pm
Rubies and sapphires from Didy, Madagascar

Last post by vincent pardieu « Mon Oct 29, 2012 8:56 pm
Replies: 9
by vincent pardieu » Tue Oct 16, 2012 11:38 am

9 Replies

7921 Views

Last post by vincent pardieu
Mon Oct 29, 2012 8:56 pm
"Special Report on Red Feldspar, Part 2" on GIA website

Last post by gemlover « Tue Sep 13, 2011 1:08 am
Replies: 2
by vincent pardieu » Tue Aug 02, 2011 2:31 pm

2 Replies

5341 Views

Last post by gemlover
Tue Sep 13, 2011 1:08 am
G&G eBriefs

Last post by mehoose « Tue Jul 06, 2010 2:28 pm
Replies: 2
by Barbra Voltaire, FGG » Sun Jun 27, 2010 6:49 pm

2 Replies

5555 Views

Last post by mehoose
Tue Jul 06, 2010 2:28 pm
Modified Tourmaline

Last post by Barbara O. Ellis « Wed Jul 10, 2013 11:51 pm
Replies: 10
by Megatastic » Thu Jun 24, 2010 1:21 am

10 Replies

12134 Views

Last post by Barbara O. Ellis
Wed Jul 10, 2013 11:51 pm
Rubies with partially healed and filled fissures.

Last post by Alberto « Thu May 13, 2010 3:05 am
Replies: 7
by vincent pardieu » Tue May 11, 2010 10:58 am

7 Replies

7387 Views

Last post by Alberto
Thu May 13, 2010 3:05 am
Lead Glass filled Star Rubies reportedly from Madagascar

Last post by kashmirsapphire « Thu Feb 11, 2010 11:46 am
Replies: 8
by vincent pardieu » Mon Feb 01, 2010 7:17 am

8 Replies

8020 Views

Last post by kashmirsapphire
Thu Feb 11, 2010 11:46 am
The microradiographic structures of non bead cultured pearls

Last post by vincent pardieu « Sat Nov 21, 2009 12:49 am

by vincent pardieu » Sat Nov 21, 2009 12:49 am

0 Replies

5058 Views

Last post by vincent pardieu
Sat Nov 21, 2009 12:49 am
The potential for diffusing copper into tourmaline, updated

Last post by Barbra Voltaire, FGG « Mon Aug 03, 2009 11:45 am
Replies: 3
by vincent pardieu » Wed Jul 29, 2009 8:41 pm

3 Replies

6344 Views

Last post by Barbra Voltaire, FGG
Mon Aug 03, 2009 11:45 am
New pdf posted on gia.edu in News from Research"

Last post by vincent pardieu « Wed Jun 17, 2009 10:33 pm

by vincent pardieu » Wed Jun 17, 2009 10:33 pm

0 Replies

15921 Views

Last post by vincent pardieu
Wed Jun 17, 2009 10:33 pm
New pdf posted on GIA Laboratory Bangkok Ongoing Research pa

Last post by vincent pardieu « Tue Jun 16, 2009 11:43 pm
Replies: 4
by vincent pardieu » Mon Jun 15, 2009 12:27 pm

4 Replies

6331 Views

Last post by vincent pardieu
Tue Jun 16, 2009 11:43 pm

New Topic

39 topics • Page 1 of 1

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum