Gems' Color

Moderators: Stephen Challener, Barbra Voltaire, FGG, Alberto, Gemewizard

New Topic

24 topics • Page 1 of 1

Topics

Replies

Views

Last post

Garnet rabbit hole….

Last post by RickR134 « Sat Oct 05, 2024 9:03 pm
Replies: 10
by RickR134 » Mon Sep 30, 2024 9:32 pm

10 Replies

41814 Views

Last post by RickR134
Sat Oct 05, 2024 9:03 pm
Unique colors found in cuprian and some Paraiba tourmaline?

Last post by Barbra Voltaire, FGG « Mon Jul 11, 2022 1:37 pm
Replies: 1
by bruce_tourm » Thu Jul 07, 2022 7:03 am

1 Replies

46058 Views

Last post by Barbra Voltaire, FGG
Mon Jul 11, 2022 1:37 pm
araiba like tourmaline, a misbegotten variety.

Last post by bruce_tourm « Mon Jul 04, 2022 6:46 am

by bruce_tourm » Mon Jul 04, 2022 6:46 am

0 Replies

47454 Views

Last post by bruce_tourm
Mon Jul 04, 2022 6:46 am
How would you define this sapphire’s colour?

Last post by glhays « Sun Feb 13, 2022 2:07 pm
Replies: 36
by Mandira » Fri Jun 26, 2020 9:21 am
1

2

3
36 Replies

34572 Views

Last post by glhays
Sun Feb 13, 2022 2:07 pm
Puzzled on color - star sapphire

Last post by Jewels Lobato « Mon Feb 07, 2022 1:17 am
Replies: 5
by Jewels Lobato » Tue Feb 01, 2022 5:52 pm

5 Replies

6895 Views

Last post by Jewels Lobato
Mon Feb 07, 2022 1:17 am
ClarifyingVarious Kinds of lighting..?

Last post by Barbra Voltaire, FGG « Fri Nov 27, 2020 2:13 pm
Replies: 1
by firedrake » Fri Nov 27, 2020 1:33 pm

1 Replies

15829 Views

Last post by Barbra Voltaire, FGG
Fri Nov 27, 2020 2:13 pm
David Weinberg Discusses Color

Last post by Barbra Voltaire, FGG « Sat Feb 15, 2020 1:29 am
Replies: 4
by Barbra Voltaire, FGG » Tue Feb 11, 2020 1:13 pm

4 Replies

9000 Views

Last post by Barbra Voltaire, FGG
Sat Feb 15, 2020 1:29 am
Color Varieties of Gems – Where To Set the Boundary?

Last post by Barbra Voltaire, FGG « Tue Feb 04, 2020 11:53 pm
Replies: 7
by Barbra Voltaire, FGG » Wed Jan 29, 2020 12:49 pm

7 Replies

8450 Views

Last post by Barbra Voltaire, FGG
Tue Feb 04, 2020 11:53 pm
From GemeWizard: The effect heat has on rubies

Last post by Ukrinsky « Sat Dec 07, 2019 10:04 pm
Replies: 1
by Barbra Voltaire, FGG » Sun Dec 01, 2019 9:36 pm

1 Replies

7109 Views

Last post by Ukrinsky
Sat Dec 07, 2019 10:04 pm
Thoughts on tourmaline's dynamic response to light.

Last post by bruce_tourm « Fri Jun 07, 2019 2:13 pm

by bruce_tourm » Fri Jun 07, 2019 2:13 pm

0 Replies

21247 Views

Last post by bruce_tourm
Fri Jun 07, 2019 2:13 pm
Ruby, pigeon blood or sunset ruby in rough

Last post by offimatrix « Fri May 24, 2019 1:06 pm
Replies: 6
by offimatrix » Thu May 23, 2019 12:20 pm

6 Replies

10015 Views

Last post by offimatrix
Fri May 24, 2019 1:06 pm
Pleochroism and cutting

Last post by Isi « Mon Mar 18, 2019 6:18 am

by Isi » Mon Mar 18, 2019 6:18 am

0 Replies

7709 Views

Last post by Isi
Mon Mar 18, 2019 6:18 am
Fluorite threelobes

Last post by Stephen Challener « Tue Sep 19, 2017 3:26 pm
Replies: 1
by 75TURBO » Tue Sep 19, 2017 5:29 am

1 Replies

10422 Views

Last post by Stephen Challener
Tue Sep 19, 2017 3:26 pm
Calling a purplish red tourmalinle, cuprian

Last post by Stephen Challener « Thu Sep 14, 2017 7:41 pm
Replies: 7
by bruce_tourm » Mon Mar 13, 2017 9:24 pm

7 Replies

10940 Views

Last post by Stephen Challener
Thu Sep 14, 2017 7:41 pm
Opal color grading

Last post by ROM « Fri Aug 18, 2017 11:09 pm
Replies: 8
by iwakasu » Fri Aug 12, 2016 11:13 am

8 Replies

10399 Views

Last post by ROM
Fri Aug 18, 2017 11:09 pm
Gems' colors and types of lights

Last post by Marlow « Thu Jan 12, 2017 5:51 pm
Replies: 11
by Isi » Mon Jan 09, 2017 9:35 am

11 Replies

11601 Views

Last post by Marlow
Thu Jan 12, 2017 5:51 pm
2016 Hammer Prices for Colored Diamonds

Last post by Barbra Voltaire, FGG « Wed Jan 04, 2017 1:00 pm
Replies: 1
by Gemewizard » Wed Jan 04, 2017 5:41 am

1 Replies

7290 Views

Last post by Barbra Voltaire, FGG
Wed Jan 04, 2017 1:00 pm
Ruby, Pink Sapphire or something else? Help

Last post by Alexander_Z « Thu Sep 15, 2016 10:58 am
Replies: 8
by R.becker » Sun Jul 24, 2016 3:01 pm

8 Replies

9705 Views

Last post by Alexander_Z
Thu Sep 15, 2016 10:58 am
Gray shades of blue and purple in Paraiba, paraiba type, etc

Last post by bruce_tourm « Sun Feb 28, 2016 6:19 pm
Replies: 11
by bruce_tourm » Wed Dec 16, 2015 2:37 pm

11 Replies

13133 Views

Last post by bruce_tourm
Sun Feb 28, 2016 6:19 pm
Helenite?

Last post by AlBalmer « Wed Jan 20, 2016 4:50 pm
Replies: 11
by Dan&Sally » Mon Jan 18, 2016 1:22 am

11 Replies

12059 Views

Last post by AlBalmer
Wed Jan 20, 2016 4:50 pm
Confusing Chromophores Can Confuse Gemmos

Last post by Dan&Sally « Mon Jan 18, 2016 1:02 am
Replies: 28
by Barbra Voltaire, FGG » Mon Apr 07, 2014 10:48 pm
1

2
28 Replies

25004 Views

Last post by Dan&Sally
Mon Jan 18, 2016 1:02 am
Trace Element characterization of tourmalines worldwide

Last post by Tom Herman « Fri Dec 16, 2016 1:13 am
Replies: 6
by Jason Barrett » Sat Jul 18, 2015 2:02 am

6 Replies

15454 Views

Last post by Tom Herman
Fri Dec 16, 2016 1:13 am
A gemstone match for each Pantone color trend - Spring 2015

Last post by Alberto « Thu Apr 16, 2015 1:19 pm
Replies: 11
by Barbra Voltaire, FGG » Mon Oct 06, 2014 12:02 pm

11 Replies

15906 Views

Last post by Alberto
Thu Apr 16, 2015 1:19 pm
Guy Borenstein, FGA, EGG

Last post by Gemewizard « Sun Apr 06, 2014 6:59 am
Replies: 3
by Barbra Voltaire, FGG » Tue Apr 01, 2014 6:56 pm

3 Replies

9001 Views

Last post by Gemewizard
Sun Apr 06, 2014 6:59 am

New Topic

24 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