Gem Identification

Moderators: PinkDiamond, John

New Topic

55 topics

Topics

Replies

Views

Last post

Gem-A Instruments Now Distributor for GemPen

Last post by PinkDiamond « Sun Nov 15, 2020 8:21 pm

by PinkDiamond » Sun Nov 15, 2020 8:21 pm

0 Replies

146 Views

Last post by PinkDiamond View the latest post
Sun Nov 15, 2020 8:21 pm
ISG Free Mini-Course Program is BACK!

Last post by SwordfishMining « Fri Sep 04, 2020 12:39 am
Replies: 1
by PinkDiamond » Thu Sep 03, 2020 5:46 pm

1 Replies

637 Views

Last post by SwordfishMining View the latest post
Fri Sep 04, 2020 12:39 am
ISG: Seeing the Invisible Light

Last post by PinkDiamond « Thu Jun 25, 2020 5:57 pm

by PinkDiamond » Thu Jun 25, 2020 5:57 pm

0 Replies

590 Views

Last post by PinkDiamond View the latest post
Thu Jun 25, 2020 5:57 pm
New FREE ISG Mini-Course: Chatham Created Gemstones

Last post by SwordfishMining « Mon Jun 15, 2020 3:06 am
Replies: 1
by PinkDiamond » Fri Jun 12, 2020 6:18 pm

1 Replies

186 Views

Last post by SwordfishMining View the latest post
Mon Jun 15, 2020 3:06 am
Identifying Lead/Cobalt Sapphires

Last post by PinkDiamond « Fri May 22, 2020 5:09 pm

by PinkDiamond » Fri May 22, 2020 5:09 pm

0 Replies

240 Views

Last post by PinkDiamond View the latest post
Fri May 22, 2020 5:09 pm
The ISG Re-Launches with More Free Mini-Courses including Certificates of Completion

Last post by PinkDiamond « Mon May 11, 2020 6:01 pm
Replies: 2
by PinkDiamond » Sat May 09, 2020 8:12 pm

2 Replies

327 Views

Last post by PinkDiamond View the latest post
Mon May 11, 2020 6:01 pm
GIA Offers FREE AJP Program!

Last post by PinkDiamond « Thu May 07, 2020 6:46 pm

by PinkDiamond » Thu May 07, 2020 6:46 pm

0 Replies

228 Views

Last post by PinkDiamond View the latest post
Thu May 07, 2020 6:46 pm
Introduction to Gemology Free mini course; new links

Last post by SwordfishMining « Fri May 01, 2020 7:00 pm
Replies: 1
Attachment(s) by PinkDiamond » Fri May 01, 2020 6:41 pm

1 Replies

362 Views

Last post by SwordfishMining View the latest post
Fri May 01, 2020 7:00 pm
Field Gemology & Geographic Origin: 5 Questions Answered

Last post by PinkDiamond « Thu Apr 30, 2020 5:06 pm

by PinkDiamond » Thu Apr 30, 2020 5:06 pm

0 Replies

299 Views

Last post by PinkDiamond View the latest post
Thu Apr 30, 2020 5:06 pm
New ISG FREE Mini-Course Now Available: Introduction to Gemstone Treatments

Last post by PinkDiamond « Sat Apr 18, 2020 6:03 pm

by PinkDiamond » Sat Apr 18, 2020 6:03 pm

0 Replies

382 Views

Last post by PinkDiamond View the latest post
Sat Apr 18, 2020 6:03 pm
New ISG FREE Mini-Course Now Available: Introduction to Colored Gemstones

Last post by SwordfishMining « Sat Apr 11, 2020 3:14 am
Replies: 1
by PinkDiamond » Fri Apr 10, 2020 6:21 pm

1 Replies

354 Views

Last post by SwordfishMining View the latest post
Sat Apr 11, 2020 3:14 am
An alternative solution to continue the free ISG mini-courses

Last post by PinkDiamond « Sat Mar 28, 2020 8:21 pm

by PinkDiamond » Sat Mar 28, 2020 8:21 pm

0 Replies

473 Views

Last post by PinkDiamond View the latest post
Sat Mar 28, 2020 8:21 pm
ISG Launches Mini-Course Program, now FREE

Last post by SwordfishMining « Sun Mar 22, 2020 3:39 pm
Replies: 3
by PinkDiamond » Sat Mar 21, 2020 4:48 pm

3 Replies

555 Views

Last post by SwordfishMining View the latest post
Sun Mar 22, 2020 3:39 pm
Colored Stones Grading & Pricing Course

Last post by PinkDiamond « Sat Mar 21, 2020 4:56 pm

by PinkDiamond » Sat Mar 21, 2020 4:56 pm

0 Replies

322 Views

Last post by PinkDiamond View the latest post
Sat Mar 21, 2020 4:56 pm
Test Your Color Vision

Last post by rocks2dust « Wed Jan 22, 2020 8:32 pm
Replies: 2
by PinkDiamond » Wed Jan 22, 2020 7:05 pm

2 Replies

874 Views

Last post by rocks2dust View the latest post
Wed Jan 22, 2020 8:32 pm
ISG Fun with the Refractometer

Last post by PinkDiamond « Tue Jan 14, 2020 7:08 pm

by PinkDiamond » Tue Jan 14, 2020 7:08 pm

0 Replies

382 Views

Last post by PinkDiamond View the latest post
Tue Jan 14, 2020 7:08 pm
Investigation of Artificial Color Infusion of Gemstones

Last post by rocks2dust « Thu Jul 25, 2019 5:28 pm
Replies: 1
by PinkDiamond » Wed Jul 24, 2019 5:19 pm

1 Replies

1089 Views

Last post by rocks2dust View the latest post
Thu Jul 25, 2019 5:28 pm
IIJA: Meiji Techno Microscopes

Last post by PinkDiamond « Thu Jun 06, 2019 6:50 pm

by PinkDiamond » Thu Jun 06, 2019 6:50 pm

0 Replies

405 Views

Last post by PinkDiamond View the latest post
Thu Jun 06, 2019 6:50 pm
Update: International Gemstone Academy for Gemstone Dealers

Last post by PinkDiamond « Tue May 21, 2019 5:05 pm
Replies: 1
by PinkDiamond » Tue May 14, 2019 6:02 pm

1 Replies

432 Views

Last post by PinkDiamond View the latest post
Tue May 21, 2019 5:05 pm
Lessons From Dr. Hanneman!

Last post by PinkDiamond « Wed Mar 27, 2019 7:21 pm

by PinkDiamond » Wed Mar 27, 2019 7:21 pm

0 Replies

388 Views

Last post by PinkDiamond View the latest post
Wed Mar 27, 2019 7:21 pm
The Artificial Color Infusion of Tourmaline

Last post by PinkDiamond « Fri Mar 22, 2019 7:28 pm

by PinkDiamond » Fri Mar 22, 2019 7:28 pm

0 Replies

441 Views

Last post by PinkDiamond View the latest post
Fri Mar 22, 2019 7:28 pm
Lotus Gemology's Four Treasures database of trade references

Last post by PinkDiamond « Fri Feb 22, 2019 6:44 pm

by PinkDiamond » Fri Feb 22, 2019 6:44 pm

0 Replies

392 Views

Last post by PinkDiamond View the latest post
Fri Feb 22, 2019 6:44 pm
Tabby extinction!

Last post by PinkDiamond « Tue Jan 08, 2019 7:22 pm

by PinkDiamond » Tue Jan 08, 2019 7:22 pm

0 Replies

371 Views

Last post by PinkDiamond View the latest post
Tue Jan 08, 2019 7:22 pm
Is it chrome tourmaline...

Last post by crazy8s « Thu Oct 18, 2018 1:29 pm
Replies: 3
Attachment(s) by m76steve » Sat Oct 13, 2018 6:47 am

3 Replies

1344 Views

Last post by crazy8s View the latest post
Thu Oct 18, 2018 1:29 pm
What is Gemstone Birefringence?

Last post by PinkDiamond « Tue Sep 04, 2018 8:28 pm

by PinkDiamond » Tue Sep 04, 2018 8:28 pm

0 Replies

666 Views

Last post by PinkDiamond View the latest post
Tue Sep 04, 2018 8:28 pm

New Topic

55 topics

Return to Board Index

Who is online

Users browsing this forum: No registered users and 1 guest

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