CSI: Colored Stone Identification

Moderators: Stephen Challener, Barbra Voltaire, FGG, Alberto

New Topic

772 topics

Page 1 of 16
- Jump to page:
1
2
3
4
5
…
16
Next

Announcements

Replies

Views

Last post

Please Read Before Posting Here

Last post by J S Flynn « Thu Jan 16, 2025 2:16 pm
Replies: 1
by Barbra Voltaire, FGG » Sun Oct 25, 2015 10:42 pm

1 Replies

55047 Views

Last post by J S Flynn
Thu Jan 16, 2025 2:16 pm

Topics

Replies

Views

Last post

Chrome dioptase ?

Last post by wilsonintexas « Fri Feb 27, 2026 12:49 pm
Replies: 3
by wilsonintexas » Thu Jan 29, 2026 7:29 pm

3 Replies

7566 Views

Last post by wilsonintexas
Fri Feb 27, 2026 12:49 pm
Unidentified purple gem

Last post by Barbra Voltaire, FGG « Mon Jan 12, 2026 4:52 pm
Replies: 4
by AtelierVLJ » Mon Sep 29, 2025 12:50 pm

4 Replies

8232 Views

Last post by Barbra Voltaire, FGG
Mon Jan 12, 2026 4:52 pm
corundum

Last post by chrisP « Wed Apr 30, 2025 11:10 am
Replies: 4
by Bobby » Tue Apr 29, 2025 12:26 am

4 Replies

25788 Views

Last post by chrisP
Wed Apr 30, 2025 11:10 am
Can someone tell me what these are?

Last post by J S Flynn « Thu Jan 16, 2025 2:15 pm
Replies: 3
by wendyk » Thu Nov 28, 2024 7:47 pm

3 Replies

12118 Views

Last post by J S Flynn
Thu Jan 16, 2025 2:15 pm
Zandrite Absorption Spectrum

Last post by Edmundo1948 « Wed Dec 04, 2024 9:05 am
Replies: 8
by Edmundo1948 » Sat Nov 30, 2024 9:25 am

8 Replies

18622 Views

Last post by Edmundo1948
Wed Dec 04, 2024 9:05 am
Sapphire frin Vault

Last post by Barbra Voltaire, FGG « Wed May 29, 2024 2:18 pm
Replies: 8
by CPOL » Tue May 14, 2024 6:59 pm

8 Replies

21558 Views

Last post by Barbra Voltaire, FGG
Wed May 29, 2024 2:18 pm
Not sure where to ask this one. I know it's slag but...

Last post by Barbra Voltaire, FGG « Tue May 28, 2024 10:39 pm
Replies: 3
by CurazyJ » Fri May 17, 2024 5:01 pm

3 Replies

18524 Views

Last post by Barbra Voltaire, FGG
Tue May 28, 2024 10:39 pm
Gemstones or colored glass?

Last post by Barbra Voltaire, FGG « Tue Mar 12, 2024 2:23 pm
Replies: 3
by ulv » Sat Mar 09, 2024 3:39 pm

3 Replies

18877 Views

Last post by Barbra Voltaire, FGG
Tue Mar 12, 2024 2:23 pm
Jade cabochon

Last post by Barbra Voltaire, FGG « Thu Oct 19, 2023 11:23 pm
Replies: 2
by Lavrentii » Thu Oct 19, 2023 2:42 am

2 Replies

15082 Views

Last post by Barbra Voltaire, FGG
Thu Oct 19, 2023 11:23 pm
Honey color gem - please help to identify

Last post by Barbra Voltaire, FGG « Thu Oct 12, 2023 11:55 am
Replies: 2
by diagal » Fri Mar 24, 2023 12:09 pm

2 Replies

14880 Views

Last post by Barbra Voltaire, FGG
Thu Oct 12, 2023 11:55 am
Fanta Humite, Mandarin Garnet or Something Else?

Last post by Barbra Voltaire, FGG « Thu Sep 14, 2023 8:05 pm
Replies: 6
by Curious_Owner » Wed Sep 06, 2023 12:40 pm

6 Replies

17383 Views

Last post by Barbra Voltaire, FGG
Thu Sep 14, 2023 8:05 pm
What type of rock is that?

Last post by Barbra Voltaire, FGG « Sun Aug 20, 2023 1:17 pm
Replies: 3
by Remaster » Sat Aug 19, 2023 4:00 am

3 Replies

16981 Views

Last post by Barbra Voltaire, FGG
Sun Aug 20, 2023 1:17 pm
Suspected lumogarnet?

Last post by Barbra Voltaire, FGG « Sun Jul 23, 2023 12:01 pm
Replies: 7
by Elizabethdove » Mon Jul 17, 2023 11:12 pm

7 Replies

22972 Views

Last post by Barbra Voltaire, FGG
Sun Jul 23, 2023 12:01 pm
Alexandrite natural or synthetic

Last post by wilsonintexas « Mon Jul 17, 2023 3:30 pm
Replies: 12
by wilsonintexas » Wed Jul 12, 2023 1:00 pm

12 Replies

24134 Views

Last post by wilsonintexas
Mon Jul 17, 2023 3:30 pm
And now for something completely different

Last post by danielle « Thu Jul 13, 2023 11:56 am
Replies: 5
by dchallener » Mon Jul 10, 2023 6:17 pm

5 Replies

24896 Views

Last post by danielle
Thu Jul 13, 2023 11:56 am
Peruvian Opal ?

Last post by maialetto « Thu Jun 22, 2023 3:15 pm
Replies: 4
by fwill » Sun Jun 18, 2023 2:57 pm

4 Replies

18449 Views

Last post by maialetto
Thu Jun 22, 2023 3:15 pm
Opal crystals

Last post by glhays « Fri Apr 28, 2023 3:37 pm
Replies: 4
by Ayf » Mon Apr 24, 2023 2:00 pm

4 Replies

16191 Views

Last post by glhays
Fri Apr 28, 2023 3:37 pm
Please help to identify yellow transparent gem

Last post by Stephen Challener « Thu Mar 30, 2023 11:26 pm
Replies: 5
by diagal » Fri Mar 24, 2023 12:13 pm

5 Replies

11093 Views

Last post by Stephen Challener
Thu Mar 30, 2023 11:26 pm
Help identifying these purple, green, brown and blue rocks

Last post by dchallener « Thu Jan 12, 2023 1:14 pm
Replies: 2
by Casserolebaskin » Mon Jan 09, 2023 9:38 pm

2 Replies

9372 Views

Last post by dchallener
Thu Jan 12, 2023 1:14 pm
Is this color zoning indicative of flame fusion?

Last post by Stephen Challener « Sat Jan 07, 2023 2:53 pm
Replies: 6
by flat » Tue Jan 03, 2023 1:57 am

6 Replies

8563 Views

Last post by Stephen Challener
Sat Jan 07, 2023 2:53 pm
Color changing... what?

Last post by Barbra Voltaire, FGG « Tue Nov 22, 2022 12:11 pm
Replies: 8
by Shifter55 » Wed Oct 05, 2022 6:54 am

8 Replies

10331 Views

Last post by Barbra Voltaire, FGG
Tue Nov 22, 2022 12:11 pm
Would Love To know what this is!!

Last post by Stephen Challener « Tue Oct 25, 2022 2:19 pm
Replies: 12
by Season » Wed Oct 19, 2022 6:07 am

12 Replies

83661 Views

Last post by Stephen Challener
Tue Oct 25, 2022 2:19 pm
what magnification do you need to determine heat treat

Last post by Barbra Voltaire, FGG « Mon Aug 15, 2022 5:46 pm
Replies: 2
by wilsonintexas » Sat Aug 13, 2022 2:47 pm

2 Replies

8560 Views

Last post by Barbra Voltaire, FGG
Mon Aug 15, 2022 5:46 pm
Hiddenite vs green Beryl

Last post by Barbra Voltaire, FGG « Mon Aug 01, 2022 1:18 pm
Replies: 5
by firedrake » Sun Jul 31, 2022 12:20 pm

5 Replies

8482 Views

Last post by Barbra Voltaire, FGG
Mon Aug 01, 2022 1:18 pm
Identifying/Separating closely matched stones

Last post by Stephen Challener « Mon Jul 18, 2022 12:07 pm
Replies: 5
by firedrake » Sun Jul 17, 2022 10:58 am

5 Replies

9339 Views

Last post by Stephen Challener
Mon Jul 18, 2022 12:07 pm
Gem ID database/program

Last post by Barbra Voltaire, FGG « Sun Jul 17, 2022 4:10 pm
Replies: 6
by firedrake » Sat Jul 16, 2022 2:28 pm

6 Replies

8742 Views

Last post by Barbra Voltaire, FGG
Sun Jul 17, 2022 4:10 pm
Real Light Blue Topaz?? Please help.

Last post by glhays « Mon Jun 13, 2022 12:35 pm
Replies: 12
by Getstoned » Sun Jun 05, 2022 3:35 pm

12 Replies

12279 Views

Last post by glhays
Mon Jun 13, 2022 12:35 pm
Aquamarine or a clever fake?!

Last post by glhays « Mon Jun 13, 2022 11:57 am
Replies: 10
by Getstoned » Sun Jun 05, 2022 4:02 pm

10 Replies

10777 Views

Last post by glhays
Mon Jun 13, 2022 11:57 am
Blue Mystery Stone

Last post by Signature Gems « Sat May 14, 2022 1:33 am
Replies: 12
by Quinneys » Thu Feb 03, 2022 4:08 pm

12 Replies

11450 Views

Last post by Signature Gems
Sat May 14, 2022 1:33 am
Gemlab.co.uk gone!?!

Last post by dchallener « Wed Apr 06, 2022 5:44 pm
Replies: 8
by Khanh » Sat Mar 26, 2022 8:39 pm

8 Replies

10060 Views

Last post by dchallener
Wed Apr 06, 2022 5:44 pm
is this emerald?

Last post by Barbra Voltaire, FGG « Wed Mar 02, 2022 1:51 pm
Replies: 6
by Takashi85 » Mon Feb 14, 2022 6:40 pm

6 Replies

8826 Views

Last post by Barbra Voltaire, FGG
Wed Mar 02, 2022 1:51 pm
Desperately need help identifying a rock

Last post by glhays « Sat Feb 26, 2022 2:03 pm
Replies: 8
by bellebird » Mon Feb 21, 2022 11:42 pm

8 Replies

8970 Views

Last post by glhays
Sat Feb 26, 2022 2:03 pm
Transparent/ slightly opaque jade beads? (vintage find)

Last post by Stephen Challener « Wed Feb 09, 2022 5:26 pm
Replies: 10
by Jewels Lobato » Mon Jan 17, 2022 11:55 am

10 Replies

11126 Views

Last post by Stephen Challener
Wed Feb 09, 2022 5:26 pm
burmese black jade

Last post by glhays « Mon Jan 17, 2022 8:35 pm
Replies: 5
by meoh15 » Mon Jan 10, 2022 2:46 pm

5 Replies

9743 Views

Last post by glhays
Mon Jan 17, 2022 8:35 pm
Turquoise - Real or Fake?

Last post by SoulsOfWolves « Mon Dec 06, 2021 5:00 pm
Replies: 5
by SoulsOfWolves » Mon Dec 06, 2021 3:52 am

5 Replies

9499 Views

Last post by SoulsOfWolves
Mon Dec 06, 2021 5:00 pm
Ordered a monster. Now what is it?

Last post by glhays « Wed Dec 01, 2021 3:20 pm
Replies: 10
by DangerousDave » Sun Nov 28, 2021 1:47 am

10 Replies

10749 Views

Last post by glhays
Wed Dec 01, 2021 3:20 pm
Huge Tsavorite Clear - to good to be true?

Last post by Barbra Voltaire, FGG « Fri Oct 22, 2021 8:41 pm
Replies: 24
by Einklang » Tue Sep 14, 2021 5:34 pm
1

2
24 Replies

21765 Views

Last post by Barbra Voltaire, FGG
Fri Oct 22, 2021 8:41 pm
Irradiated Topaz

Last post by Stephen Challener « Thu Aug 19, 2021 12:32 pm
Replies: 9
by chathurangani » Wed Jul 12, 2017 6:50 am

9 Replies

23219 Views

Last post by Stephen Challener
Thu Aug 19, 2021 12:32 pm
Sapphire specific gravity

Last post by Barbra Voltaire, FGG « Sat Jul 03, 2021 7:25 pm
Replies: 10
by iwakasu » Thu Jul 01, 2021 5:15 am

10 Replies

16917 Views

Last post by Barbra Voltaire, FGG
Sat Jul 03, 2021 7:25 pm
2.5mm mounted green demantoid shows fingerprints and needle

Last post by Barbra Voltaire, FGG « Sat Jun 26, 2021 10:59 pm
Replies: 3
by LindsayW » Sat Jun 26, 2021 12:28 pm

3 Replies

11760 Views

Last post by Barbra Voltaire, FGG
Sat Jun 26, 2021 10:59 pm
5 Carat Montana sapphire?

Last post by Barbra Voltaire, FGG « Mon Jun 21, 2021 7:53 pm
Replies: 1
by travisduggins » Mon Jun 21, 2021 7:42 pm

1 Replies

11331 Views

Last post by Barbra Voltaire, FGG
Mon Jun 21, 2021 7:53 pm
Mystery stone

Last post by 1bwana1 « Wed Jun 09, 2021 12:46 pm
Replies: 2
by JTgemgirl » Tue Jun 08, 2021 9:12 pm

2 Replies

12117 Views

Last post by 1bwana1
Wed Jun 09, 2021 12:46 pm
Green-red colour change stone

Last post by Stephen Challener « Sat May 22, 2021 9:58 pm
Replies: 12
by baron » Fri May 21, 2021 3:45 pm

12 Replies

15729 Views

Last post by Stephen Challener
Sat May 22, 2021 9:58 pm
Can someone please help with these tumbled stones?

Last post by RogueCitrine2021 « Fri May 21, 2021 10:31 pm
Replies: 7
by RogueCitrine2021 » Tue May 18, 2021 7:18 am

7 Replies

13993 Views

Last post by RogueCitrine2021
Fri May 21, 2021 10:31 pm
New Member Seeking Help In Identification

Last post by Barbra Voltaire, FGG « Wed Apr 21, 2021 9:41 pm
Replies: 9
by Fluffy11 » Tue Apr 20, 2021 8:41 pm

9 Replies

15680 Views

Last post by Barbra Voltaire, FGG
Wed Apr 21, 2021 9:41 pm
Polished stone of some sort or glass??

Last post by glhays « Mon Apr 12, 2021 2:06 pm
Replies: 6
by NokneecapsNiko » Sun Apr 11, 2021 10:16 am

6 Replies

14841 Views

Last post by glhays
Mon Apr 12, 2021 2:06 pm
More help identifying tumbled stones

Last post by starling « Fri Apr 09, 2021 4:37 am
Replies: 4
by starling » Thu Apr 08, 2021 4:46 am

4 Replies

14605 Views

Last post by starling
Fri Apr 09, 2021 4:37 am
Need help identifying several tumbled stones

Last post by Stephen Challener « Tue Apr 06, 2021 9:44 pm
Replies: 6
by gemqueen » Mon Apr 05, 2021 2:25 pm

6 Replies

14342 Views

Last post by Stephen Challener
Tue Apr 06, 2021 9:44 pm
Can Someone Help Identify 2 Stones?! Purple Volcanic?? & ??

Last post by Stephen Challener « Wed Mar 31, 2021 1:12 pm
Replies: 4
by Crivero9015 » Sun Jan 17, 2021 3:07 am

4 Replies

12249 Views

Last post by Stephen Challener
Wed Mar 31, 2021 1:12 pm
Can Anyone Help with This Green Stone

Last post by glhays « Tue Mar 30, 2021 7:31 pm
Replies: 19
by rmohamm1 » Sun Feb 14, 2021 11:12 am
1

2
19 Replies

20018 Views

Last post by glhays
Tue Mar 30, 2021 7:31 pm

New Topic

772 topics

Page 1 of 16
- Jump to page:
1
2
3
4
5
…
16
Next

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