Collector's Corner: Gems

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“Exploring Indonesian Blue Gemstones: Origin, Color, and Character

Last post by Barbra Voltaire, FGG « Fri Jan 30, 2026 10:01 pm
Replies: 3
by Gavstudio » Thu Jan 08, 2026 9:54 am

3 Replies

2636 Views

Last post by Barbra Voltaire, FGG
Fri Jan 30, 2026 10:01 pm
Kashmir ruby

Last post by Christopher P. Smith « Mon Jan 19, 2026 1:08 pm
Replies: 38
by arms » Wed Aug 26, 2020 9:42 pm
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38 Replies

31077 Views

Last post by Christopher P. Smith
Mon Jan 19, 2026 1:08 pm
Spruce Pine Gem Show

Last post by dchallener « Wed Jul 30, 2025 9:27 am
Replies: 2
by dchallener » Sun Jul 27, 2025 4:04 pm

2 Replies

6435 Views

Last post by dchallener
Wed Jul 30, 2025 9:27 am
Alexandrite color

Last post by Barbra Voltaire, FGG « Tue Jul 29, 2025 12:16 am
Replies: 1
by Bobby » Sun Apr 06, 2025 7:21 am

1 Replies

3299 Views

Last post by Barbra Voltaire, FGG
Tue Jul 29, 2025 12:16 am
Stone(s) of the Day

Last post by ELVIS PRASIOLITE « Sat May 25, 2024 7:10 pm
Replies: 6791
by red spinel » Tue Sep 12, 2006 11:15 am
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449

450

451

452

453
6791 Replies

1361553 Views

Last post by ELVIS PRASIOLITE
Sat May 25, 2024 7:10 pm
CAN ANYONE HELP ME IDENTIFY THIS CRYSTAL ??

Last post by Barbra Voltaire, FGG « Fri Sep 22, 2023 12:33 pm
Replies: 10
by Clos » Wed Nov 21, 2018 4:55 pm

10 Replies

28034 Views

Last post by Barbra Voltaire, FGG
Fri Sep 22, 2023 12:33 pm
Green Euclase

Last post by Stephen Challener « Fri Mar 10, 2023 9:06 pm
Replies: 9
by hafiz » Mon Jan 09, 2023 12:20 pm

9 Replies

18181 Views

Last post by Stephen Challener
Fri Mar 10, 2023 9:06 pm
How to buy color Gemstones?

Last post by glhays « Sun Feb 12, 2023 3:25 am
Replies: 1
by Barbra Voltaire, FGG » Sat Feb 11, 2023 2:57 pm

1 Replies

6176 Views

Last post by glhays
Sun Feb 12, 2023 3:25 am
Gems from Bosnia

Last post by firedrake « Thu Jan 12, 2023 1:29 pm
Replies: 3
by Seven » Mon Jul 25, 2022 1:47 pm

3 Replies

11413 Views

Last post by firedrake
Thu Jan 12, 2023 1:29 pm
Pezzottaite

Last post by Shifter55 « Wed Dec 28, 2022 8:09 pm
Replies: 5
by Raj_uk » Fri Dec 23, 2022 5:13 am

5 Replies

7775 Views

Last post by Shifter55
Wed Dec 28, 2022 8:09 pm
Looking for Neon Spessartite

Last post by Barbra Voltaire, FGG « Thu Sep 01, 2022 12:18 pm
Replies: 12
by ByE » Sun Jun 12, 2022 7:12 pm

12 Replies

15202 Views

Last post by Barbra Voltaire, FGG
Thu Sep 01, 2022 12:18 pm
Digits in Ethiopian opals

Last post by Stephen Challener « Tue Aug 30, 2022 11:25 am
Replies: 6
by Stephen Challener » Fri Aug 20, 2021 10:13 pm

6 Replies

14697 Views

Last post by Stephen Challener
Tue Aug 30, 2022 11:25 am
Opal Found?

Last post by dchallener « Tue Aug 09, 2022 12:14 pm
Replies: 12
by Hankiewicz » Sat Jun 04, 2022 11:24 am

12 Replies

13373 Views

Last post by dchallener
Tue Aug 09, 2022 12:14 pm
Blue colour change garnets

Last post by Raj_uk « Tue Jul 26, 2022 11:02 am
Replies: 25
by Raj_uk » Thu Mar 15, 2018 10:58 am
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2
25 Replies

32014 Views

Last post by Raj_uk
Tue Jul 26, 2022 11:02 am
What is the Rose Quartz Crystal?

Last post by Barbra Voltaire, FGG « Fri Jul 22, 2022 5:11 pm
Replies: 4
by emmadavis » Wed Jul 20, 2022 7:38 am

4 Replies

13096 Views

Last post by Barbra Voltaire, FGG
Fri Jul 22, 2022 5:11 pm
What is the Iolite Crystal?

Last post by Stephen Challener « Thu Jul 21, 2022 1:19 pm
Replies: 3
by emmadavis » Thu Jul 21, 2022 9:40 am

3 Replies

12062 Views

Last post by Stephen Challener
Thu Jul 21, 2022 1:19 pm
Grayish opaque stone need help identifying

Last post by glhays « Thu Jun 09, 2022 2:13 pm
Replies: 3
by slabdyno » Wed Jun 08, 2022 2:25 pm

3 Replies

11303 Views

Last post by glhays
Thu Jun 09, 2022 2:13 pm
A new definition for Parariba tourmaline.

Last post by abeck « Tue Feb 22, 2022 12:58 pm
Replies: 42
by bruce_tourm » Thu Sep 06, 2018 8:58 pm
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42 Replies

37226 Views

Last post by abeck
Tue Feb 22, 2022 12:58 pm
Beginning Collector of Fluorite

Last post by Greenspinel « Thu Jan 27, 2022 5:20 pm
Replies: 7
by Greenspinel » Mon Jan 24, 2022 4:39 pm

7 Replies

8078 Views

Last post by Greenspinel
Thu Jan 27, 2022 5:20 pm
Cats eye sapphire

Last post by arms « Wed Aug 18, 2021 11:52 pm

by arms » Wed Aug 18, 2021 11:52 pm

0 Replies

20520 Views

Last post by arms
Wed Aug 18, 2021 11:52 pm
Rare Color Changing Phenomenon

Last post by 1bwana1 « Wed Aug 04, 2021 7:41 pm
Replies: 17
by Faodail » Fri Jul 23, 2021 3:58 pm
1

2
17 Replies

15361 Views

Last post by 1bwana1
Wed Aug 04, 2021 7:41 pm
Is this small mineral collection worth anything?

Last post by Railsplitter « Mon May 10, 2021 12:23 pm
Replies: 6
by Railsplitter » Wed Apr 08, 2020 6:04 pm

6 Replies

9569 Views

Last post by Railsplitter
Mon May 10, 2021 12:23 pm
Rough Boulder Opal from Australia

Last post by mehoose « Sun May 02, 2021 7:58 pm
Replies: 2
by Pythonrob » Sun Apr 25, 2021 12:58 am

2 Replies

6784 Views

Last post by mehoose
Sun May 02, 2021 7:58 pm
Re: DR. HANNEMAN'S GEM AND MINERAL COLLECTION

Last post by Debbie K « Wed Jan 06, 2021 12:15 am
Replies: 17
by Barbra Voltaire, FGG » Sat Nov 07, 2020 5:14 pm
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2
17 Replies

15535 Views

Last post by Debbie K
Wed Jan 06, 2021 12:15 am
Is moonstone hard to get right?

Last post by glhays « Thu Sep 10, 2020 8:15 pm
Replies: 3
by bruce_tourm » Sat Jun 01, 2019 5:25 pm

3 Replies

8739 Views

Last post by glhays
Thu Sep 10, 2020 8:15 pm
Afghanistan seafoam/ lagoon blue tourmaline

Last post by arms « Sat Aug 01, 2020 10:19 pm
Replies: 4
by arms » Fri Jul 31, 2020 8:54 pm

4 Replies

7079 Views

Last post by arms
Sat Aug 01, 2020 10:19 pm
Dull in the daytime and sparkly after sunset!

Last post by 1bwana1 « Fri Jul 10, 2020 10:46 am
Replies: 1
by Mandira » Fri Jul 10, 2020 4:22 am

1 Replies

5635 Views

Last post by 1bwana1
Fri Jul 10, 2020 10:46 am
Identification

Last post by dchallener « Tue Jun 30, 2020 8:31 pm
Replies: 5
by Wynde105 » Sat Jun 27, 2020 7:00 pm

5 Replies

6985 Views

Last post by dchallener
Tue Jun 30, 2020 8:31 pm
Fire opal

Last post by arms « Mon Jun 15, 2020 7:19 pm
Replies: 9
by arms » Fri Jun 12, 2020 2:00 am

9 Replies

9475 Views

Last post by arms
Mon Jun 15, 2020 7:19 pm
A strange Feldspar

Last post by chrisP « Wed Apr 29, 2020 1:20 pm
Replies: 39
by chrisP » Fri Sep 04, 2015 6:21 pm
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3
39 Replies

32260 Views

Last post by chrisP
Wed Apr 29, 2020 1:20 pm
Meteorite?

Last post by Gabroo « Mon Mar 02, 2020 12:25 am
Replies: 4
by Coltsboy » Mon Dec 30, 2019 5:54 am

4 Replies

7093 Views

Last post by Gabroo
Mon Mar 02, 2020 12:25 am
Polish or keep raw?

Last post by arms « Fri Nov 29, 2019 8:31 pm
Replies: 2
by arms » Fri Nov 29, 2019 12:57 am

2 Replies

6172 Views

Last post by arms
Fri Nov 29, 2019 8:31 pm
New Mineral Named After GIA’s Koivula

Last post by arglthesheep « Tue Sep 24, 2019 12:55 am
Replies: 3
by Barbra Voltaire, FGG » Mon Sep 23, 2019 2:49 pm

3 Replies

14078 Views

Last post by arglthesheep
Tue Sep 24, 2019 12:55 am
Musing on an amusing conundrum, naming a new gem.

Last post by Marlow « Sat Sep 14, 2019 7:38 am
Replies: 5
by bruce_tourm » Wed Sep 04, 2019 2:53 pm

5 Replies

9485 Views

Last post by Marlow
Sat Sep 14, 2019 7:38 am
Is there a way to edit GEMS 101?

Last post by Barbra Voltaire, FGG « Sun Sep 01, 2019 1:26 pm
Replies: 1
by dchallener » Sat Aug 31, 2019 5:09 pm

1 Replies

6320 Views

Last post by Barbra Voltaire, FGG
Sun Sep 01, 2019 1:26 pm
Burmese, origin description or indicator of quality in ruby?

Last post by johngemo « Thu Jul 25, 2019 8:51 am
Replies: 7
by bruce_tourm » Thu Jul 18, 2019 11:51 am

7 Replies

9809 Views

Last post by johngemo
Thu Jul 25, 2019 8:51 am
Beautiful tourmaline, GIA educating the public?

Last post by bruce_tourm « Sun Jun 30, 2019 9:28 am
Replies: 13
by bruce_tourm » Sat Jun 22, 2019 9:16 am

13 Replies

14716 Views

Last post by bruce_tourm
Sun Jun 30, 2019 9:28 am
Man cuts incredibly rare tourmaline, experts claim.

Last post by bruce_tourm « Tue May 28, 2019 10:56 pm
Replies: 2
by bruce_tourm » Tue May 28, 2019 5:23 pm

2 Replies

7549 Views

Last post by bruce_tourm
Tue May 28, 2019 10:56 pm
Looking for Hard to find stones

Last post by dchallener « Tue May 21, 2019 2:28 pm
Replies: 33
by dchallener » Fri Jan 11, 2019 12:49 pm
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33 Replies

23457 Views

Last post by dchallener
Tue May 21, 2019 2:28 pm
The gem has IT, (It is not focused on tourmaline!)

Last post by bruce_tourm « Sun Apr 07, 2019 11:57 am

by bruce_tourm » Sun Apr 07, 2019 11:57 am

0 Replies

7900 Views

Last post by bruce_tourm
Sun Apr 07, 2019 11:57 am
Paraiba tourmaline a semi precious gemstone!

Last post by bruce_tourm « Tue Mar 26, 2019 2:40 pm

by bruce_tourm » Tue Mar 26, 2019 2:40 pm

0 Replies

8161 Views

Last post by bruce_tourm
Tue Mar 26, 2019 2:40 pm
TSAVORITE?

Last post by Isi « Thu Feb 21, 2019 7:35 am
Replies: 5
by MADADIDIERITE » Wed Feb 20, 2019 2:42 am

5 Replies

9548 Views

Last post by Isi
Thu Feb 21, 2019 7:35 am
Jeremejevite?

Last post by Marlow « Wed Feb 20, 2019 2:53 am
Replies: 4
by MADADIDIERITE » Tue Feb 19, 2019 6:06 am

4 Replies

8729 Views

Last post by Marlow
Wed Feb 20, 2019 2:53 am
padparacha or not?

Last post by Richard W. Wise « Thu Jan 31, 2019 10:08 am
Replies: 20
by MADADIDIERITE » Thu Dec 27, 2018 6:46 am
1

2
20 Replies

15020 Views

Last post by Richard W. Wise
Thu Jan 31, 2019 10:08 am
a strange material

Last post by Icehut « Thu Jan 17, 2019 12:38 pm
Replies: 8
by MADADIDIERITE » Thu Dec 27, 2018 6:41 am

8 Replies

9179 Views

Last post by Icehut
Thu Jan 17, 2019 12:38 pm
Royal blue tourmaline

Last post by arms « Fri Jan 04, 2019 1:23 pm
Replies: 7
by arms » Thu Jan 03, 2019 2:15 am

7 Replies

8142 Views

Last post by arms
Fri Jan 04, 2019 1:23 pm
Heating Paraiba, paraiba type, paraiba like tourmaline.

Last post by bruce_tourm « Sun Dec 30, 2018 5:49 am
Replies: 1
by bruce_tourm » Mon Nov 26, 2018 10:34 pm

1 Replies

7622 Views

Last post by bruce_tourm
Sun Dec 30, 2018 5:49 am
Phosphorescent Faceted Hackmanite

Last post by Barbra Voltaire, FGG « Tue Dec 18, 2018 1:39 pm
Replies: 6
by Raj_uk » Thu Sep 13, 2018 7:21 am

6 Replies

8616 Views

Last post by Barbra Voltaire, FGG
Tue Dec 18, 2018 1:39 pm
any ideas what this inclusion could be?

Last post by arms « Fri Dec 14, 2018 3:54 am
Replies: 11
by arms » Tue Dec 11, 2018 1:34 pm

11 Replies

10332 Views

Last post by arms
Fri Dec 14, 2018 3:54 am
Walking my baby (paraiba type tourmaline) back home.

Last post by bruce_tourm « Tue Oct 23, 2018 7:14 am
Replies: 16
by bruce_tourm » Mon Oct 01, 2018 9:32 am
1

2
16 Replies

16092 Views

Last post by bruce_tourm
Tue Oct 23, 2018 7:14 am

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