Contest, Quiz & Puzzle Section

Moderators: Stephen Challener, Barbra Voltaire, FGG, Alberto

New Topic

135 topics

Topics

Replies

Views

Last post

How Well Do You See Color?

Last post by abeck « Sat Aug 13, 2022 12:01 pm
Replies: 76
by Barbra Voltaire, FGG » Mon Mar 21, 2011 5:13 pm
1

2

3

4

5

6
76 Replies

234713 Views

Last post by abeck
Sat Aug 13, 2022 12:01 pm
Sibling rivalry

Last post by cascaillou « Wed Jan 15, 2020 6:24 am
Replies: 2
by cascaillou » Mon Jan 13, 2020 10:32 am

2 Replies

27317 Views

Last post by cascaillou
Wed Jan 15, 2020 6:24 am
An impossible duo

Last post by cascaillou « Tue Jan 14, 2020 6:40 am
Replies: 12
by cascaillou » Sat Jan 11, 2020 3:53 pm

12 Replies

17372 Views

Last post by cascaillou
Tue Jan 14, 2020 6:40 am
Win a FREE Download of GT Pro!

Last post by Barbra Voltaire, FGG « Thu May 10, 2018 2:46 pm
Replies: 5
by GTP Bill » Thu May 10, 2018 10:32 am

5 Replies

10799 Views

Last post by Barbra Voltaire, FGG
Thu May 10, 2018 2:46 pm
where am i from?

Last post by aeronochflotter « Sun Feb 11, 2018 9:43 pm
Replies: 7
by aeronochflotter » Thu Dec 21, 2017 8:32 pm

7 Replies

11810 Views

Last post by aeronochflotter
Sun Feb 11, 2018 9:43 pm
Take the Quiz: Win a book!

Last post by JCD « Tue Oct 03, 2017 1:25 pm
Replies: 1
by Richard W. Wise » Sat Sep 02, 2017 10:30 am

1 Replies

7198 Views

Last post by JCD
Tue Oct 03, 2017 1:25 pm
A vivid yellow gem - what is it?

Last post by Marlow « Wed Aug 02, 2017 2:16 pm
Replies: 20
by Marlow » Sat Jul 29, 2017 5:48 am
1

2
20 Replies

16510 Views

Last post by Marlow
Wed Aug 02, 2017 2:16 pm
Relative Density

Last post by Bill Hanneman « Fri Nov 11, 2016 4:00 am
Replies: 5
by Bill Hanneman » Sun Sep 20, 2015 11:04 pm

5 Replies

9277 Views

Last post by Bill Hanneman
Fri Nov 11, 2016 4:00 am
A relatively easy riddle

Last post by cascaillou « Fri Oct 21, 2016 2:09 pm
Replies: 6
by cascaillou » Wed Oct 19, 2016 3:18 pm

6 Replies

8727 Views

Last post by cascaillou
Fri Oct 21, 2016 2:09 pm
Gemstone Sudoku (1)

Last post by mehoose « Sun Oct 02, 2016 6:10 am
Replies: 6
by steinfroilein » Fri Sep 30, 2016 8:16 am

6 Replies

9517 Views

Last post by mehoose
Sun Oct 02, 2016 6:10 am
Gemology Tools Professional Quiz

Last post by GTP Bill « Mon Sep 12, 2016 4:12 pm
Replies: 17
by GTP Bill » Sat Sep 10, 2016 2:48 pm
1

2
17 Replies

20450 Views

Last post by GTP Bill
Mon Sep 12, 2016 4:12 pm
Riddle of the keeper stone

Last post by cascaillou « Tue Apr 05, 2016 12:50 pm
Replies: 88
by cascaillou » Fri Mar 18, 2016 6:53 pm
1

2

3

4

5

6
88 Replies

120821 Views

Last post by cascaillou
Tue Apr 05, 2016 12:50 pm
Riddle of the obscure gem

Last post by Dan&Sally « Tue Oct 06, 2015 12:48 am
Replies: 49
by cascaillou » Thu Mar 19, 2015 12:03 pm
1

2

3

4
49 Replies

40943 Views

Last post by Dan&Sally
Tue Oct 06, 2015 12:48 am
what am I? ancient faceter?

Last post by nickatnight « Tue Mar 10, 2015 10:39 pm
Replies: 4
by nickatnight » Mon Mar 09, 2015 6:33 am

4 Replies

8746 Views

Last post by nickatnight
Tue Mar 10, 2015 10:39 pm
GO Gem Acrostic With Prize!

Last post by Robin Winter « Tue Oct 28, 2014 1:31 pm
Replies: 9
by Barbra Voltaire, FGG » Mon Oct 13, 2014 8:46 pm

9 Replies

10221 Views

Last post by Robin Winter
Tue Oct 28, 2014 1:31 pm
what is this?

Last post by Stephen Challener « Wed Jul 23, 2014 1:54 pm
Replies: 1
by JeffDavis » Wed Jul 23, 2014 12:22 am

1 Replies

7660 Views

Last post by Stephen Challener
Wed Jul 23, 2014 1:54 pm
Identify this synthetic material by inclusions picture

Last post by Barbara O. Ellis « Sun Mar 16, 2014 5:22 pm
Replies: 22
by Egor Gavrilenko » Thu Mar 13, 2014 12:15 pm
1

2
22 Replies

19276 Views

Last post by Barbara O. Ellis
Sun Mar 16, 2014 5:22 pm
GO's Holiday Crossword

Last post by Barbra Voltaire, FGG « Wed Jan 29, 2014 11:25 am
Replies: 27
by Barbra Voltaire, FGG » Fri Dec 27, 2013 1:37 am
1

2
27 Replies

22434 Views

Last post by Barbra Voltaire, FGG
Wed Jan 29, 2014 11:25 am
GO Design Competition - please vote!

Last post by Faceting 101 by Arya « Mon Aug 05, 2013 5:25 pm

by Faceting 101 by Arya » Mon Aug 05, 2013 5:25 pm

0 Replies

8162 Views

Last post by Faceting 101 by Arya
Mon Aug 05, 2013 5:25 pm
what do they have in common?

Last post by Alberto « Fri Aug 02, 2013 6:39 am
Replies: 27
by Egor Gavrilenko » Sat Dec 22, 2012 11:17 am
1

2
27 Replies

28512 Views

Last post by Alberto
Fri Aug 02, 2013 6:39 am
Mysterious gem

Last post by maialetto « Mon Sep 24, 2012 7:40 pm
Replies: 15
by Egor Gavrilenko » Sun Sep 23, 2012 5:58 am
1

2
15 Replies

21150 Views

Last post by maialetto
Mon Sep 24, 2012 7:40 pm
What am i?

Last post by Barbara O. Ellis « Tue Aug 28, 2012 6:37 pm
Replies: 12
by Jason » Thu Jun 02, 2011 10:24 am

12 Replies

13975 Views

Last post by Barbara O. Ellis
Tue Aug 28, 2012 6:37 pm
Diamond proportions quiz with prize!

Last post by Bill Hanneman « Tue Jan 24, 2012 9:16 pm
Replies: 33
by Egor Gavrilenko » Thu Dec 15, 2011 6:20 pm
1

2

3
33 Replies

36886 Views

Last post by Bill Hanneman
Tue Jan 24, 2012 9:16 pm
New Year's Crossword

Last post by Barbra Voltaire, FGG « Thu Jan 12, 2012 11:32 pm
Replies: 4
by Barbra Voltaire, FGG » Wed Dec 28, 2011 4:15 pm

4 Replies

10548 Views

Last post by Barbra Voltaire, FGG
Thu Jan 12, 2012 11:32 pm
What am I?

Last post by Kerensky « Tue Nov 29, 2011 1:58 pm
Replies: 18
by Kerensky » Sun Nov 27, 2011 9:31 pm
1

2
18 Replies

19489 Views

Last post by Kerensky
Tue Nov 29, 2011 1:58 pm
No kidding

Last post by maialetto « Thu Nov 24, 2011 5:08 pm
Replies: 5
by cascaillou » Fri Nov 18, 2011 4:28 pm

5 Replies

9987 Views

Last post by maialetto
Thu Nov 24, 2011 5:08 pm
What is this?

Last post by cascaillou « Thu Sep 15, 2011 3:01 pm
Replies: 4
by cnl » Thu Sep 03, 2009 5:39 pm

4 Replies

11273 Views

Last post by cascaillou
Thu Sep 15, 2011 3:01 pm
G&G eBrief Brainteser

Last post by Kerensky « Tue Sep 06, 2011 10:36 am
Replies: 20
by Barbra Voltaire, FGG » Mon Sep 05, 2011 3:41 pm
1

2
20 Replies

18468 Views

Last post by Kerensky
Tue Sep 06, 2011 10:36 am
Using a refractometer

Last post by Kerensky « Sat Aug 13, 2011 4:08 pm
Replies: 3
by Kerensky » Tue Jul 05, 2011 8:55 am

3 Replies

9823 Views

Last post by Kerensky
Sat Aug 13, 2011 4:08 pm
New Crossword Challenge: GEM TREATMENTS!

Last post by Gemsandjewellery « Mon Feb 07, 2011 9:23 pm
Replies: 32
by Barbra Voltaire, FGG » Tue Jan 18, 2011 8:38 pm
1

2

3
32 Replies

32112 Views

Last post by Gemsandjewellery
Mon Feb 07, 2011 9:23 pm
Christmas Contest

Last post by JREFaceting « Sat Jan 08, 2011 3:16 pm
Replies: 41
by earthling » Wed Dec 22, 2010 8:14 am
1

2

3
41 Replies

35200 Views

Last post by JREFaceting
Sat Jan 08, 2011 3:16 pm
christmas contest II

Last post by mehoose « Sat Dec 25, 2010 2:34 am
Replies: 11
by stairman » Wed Dec 22, 2010 4:26 pm

11 Replies

13086 Views

Last post by mehoose
Sat Dec 25, 2010 2:34 am
WINNER ANNOUNCED!!! Kunzite Krossword Kwiz

Last post by skycritter « Tue Dec 07, 2010 11:06 am
Replies: 24
by Jason » Mon Nov 22, 2010 12:14 am
1

2
24 Replies

22235 Views

Last post by skycritter
Tue Dec 07, 2010 11:06 am
The Ugly

Last post by lynxene « Fri Nov 19, 2010 2:35 am
Replies: 40
by cascaillou » Wed Nov 17, 2010 4:46 pm
1

2

3
40 Replies

31131 Views

Last post by lynxene
Fri Nov 19, 2010 2:35 am
Whatizzit?

Last post by Kerensky « Sun Nov 14, 2010 5:53 pm
Replies: 7
by Jason » Sun Nov 14, 2010 3:01 pm

7 Replies

11225 Views

Last post by Kerensky
Sun Nov 14, 2010 5:53 pm
Hanneman's Guide to Affordable Gemology Crossword Challenge!

Last post by danielle « Sun Oct 31, 2010 6:48 am
Replies: 26
by Barbra Voltaire, FGG » Sun Oct 17, 2010 9:10 pm
1

2
26 Replies

24910 Views

Last post by danielle
Sun Oct 31, 2010 6:48 am
Crossword Puzzle with Fabulous Prize

Last post by danielle « Tue Oct 19, 2010 2:04 pm
Replies: 27
by Barbra Voltaire, FGG » Fri Apr 23, 2010 10:50 pm
1

2
27 Replies

25843 Views

Last post by danielle
Tue Oct 19, 2010 2:04 pm
GT Pro Quiz (for non-GT Pro owners) Win a FREE download

Last post by GTP Bill « Fri Oct 15, 2010 9:41 am
Replies: 11
by GTP Bill » Sun Oct 10, 2010 1:51 pm

11 Replies

13380 Views

Last post by GTP Bill
Fri Oct 15, 2010 9:41 am
Self Exam

Last post by Lennie « Wed Oct 13, 2010 5:49 am
Replies: 9
by roshanravan » Sat Oct 09, 2010 8:58 am

9 Replies

12142 Views

Last post by Lennie
Wed Oct 13, 2010 5:49 am
Win Quiz: Win GT Pro Download

Last post by Osman khattak « Wed Oct 13, 2010 4:56 am
Replies: 33
by GTP Bill » Sun Oct 10, 2010 10:17 am
1

2

3
33 Replies

27838 Views

Last post by Osman khattak
Wed Oct 13, 2010 4:56 am
Whats Inclusion in this quartz?

Last post by roshanravan « Sun Oct 10, 2010 9:51 am
Replies: 21
by roshanravan » Sat Oct 09, 2010 8:19 am
1

2
21 Replies

21150 Views

Last post by roshanravan
Sun Oct 10, 2010 9:51 am
Quiz for New Faceters - Books to winner

Last post by stevorocks « Wed Oct 06, 2010 6:15 pm
Replies: 13
by stevorocks » Sat Sep 11, 2010 12:48 pm

13 Replies

15345 Views

Last post by stevorocks
Wed Oct 06, 2010 6:15 pm
Mysterious inclusions 2 (quite difficult one)

Last post by Egor Gavrilenko « Mon Sep 27, 2010 5:04 pm
Replies: 20
by Egor Gavrilenko » Fri Sep 24, 2010 7:41 pm
1

2
20 Replies

23313 Views

Last post by Egor Gavrilenko
Mon Sep 27, 2010 5:04 pm
Unique Colombian emerald inclusion.

Last post by Barbra Voltaire, FGG « Mon Sep 27, 2010 5:25 am
Replies: 7
by Gustavo » Sun Sep 26, 2010 1:25 pm

7 Replies

12432 Views

Last post by Barbra Voltaire, FGG
Mon Sep 27, 2010 5:25 am
Mysterious inclusions

Last post by Barbara O. Ellis « Wed Sep 15, 2010 4:20 pm
Replies: 13
by Egor Gavrilenko » Tue Sep 14, 2010 5:59 pm

13 Replies

14952 Views

Last post by Barbara O. Ellis
Wed Sep 15, 2010 4:20 pm
What am I?

Last post by Lukeness « Tue Jun 22, 2010 11:57 am
Replies: 15
by Jason » Mon Jun 21, 2010 6:54 pm
1

2
15 Replies

21796 Views

Last post by Lukeness
Tue Jun 22, 2010 11:57 am
NOW GUESS! What are these???

Last post by cascaillou « Sun May 09, 2010 6:24 pm
Replies: 21
by salmangems85 » Mon Apr 12, 2010 12:08 pm
1

2
21 Replies

22000 Views

Last post by cascaillou
Sun May 09, 2010 6:24 pm
?What the hey....

Last post by Gemsandjewellery « Tue Mar 09, 2010 11:57 pm
Replies: 27
by Ux4 » Thu Oct 20, 2005 12:35 am
1

2
27 Replies

51166 Views

Last post by Gemsandjewellery
Tue Mar 09, 2010 11:57 pm
The Gemology Project Faceting Design Contest

Last post by mehoose « Mon Jan 25, 2010 8:18 pm
Replies: 1
by Barbra Voltaire, FGG » Mon Jan 25, 2010 5:03 pm

1 Replies

9372 Views

Last post by mehoose
Mon Jan 25, 2010 8:18 pm
Tourmaline Crossword Challenge!

Last post by gingerkid « Tue Jan 19, 2010 11:41 pm
Replies: 26
by Barbra Voltaire, FGG » Mon Jan 11, 2010 12:45 am
1

2
26 Replies

25526 Views

Last post by gingerkid
Tue Jan 19, 2010 11:41 pm

New Topic

135 topics

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