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Measuring gem dimensions with laser

Last post by iwakasu « Mon Mar 24, 2025 5:34 am
Posted in Gem Equipment

by iwakasu » Mon Mar 24, 2025 5:34 am » in Gem Equipment

0 Replies

2929 Views

Last post by iwakasu
Mon Mar 24, 2025 5:34 am
A heat treated Kashan flux synthetic ruby

Last post by Dioptase « Tue Mar 18, 2025 10:42 pm
Posted in Lotus Gemology

by Dioptase » Tue Mar 18, 2025 10:42 pm » in Lotus Gemology

0 Replies

2527 Views

Last post by Dioptase
Tue Mar 18, 2025 10:42 pm
GT Podicles - The New Era of Gemmology Today

Last post by GlobalTraveller007 « Thu Mar 06, 2025 2:08 pm
Posted in World Gem Foundation

by GlobalTraveller007 » Thu Mar 06, 2025 2:08 pm » in World Gem Foundation

0 Replies

3772 Views

Last post by GlobalTraveller007
Thu Mar 06, 2025 2:08 pm
The Art of Moissanite Cutting

Last post by Azard_faza « Wed Feb 26, 2025 5:01 am
Posted in Diamonds

by Azard_faza » Wed Feb 26, 2025 5:01 am » in Diamonds

0 Replies

2909 Views

Last post by Azard_faza
Wed Feb 26, 2025 5:01 am
Cutting Oregon Sunstones: A Step-by-Step Guide

Last post by Azard_faza « Thu Nov 07, 2024 5:10 am
Posted in Gemology Online Chats

by Azard_faza » Thu Nov 07, 2024 5:10 am » in Gemology Online Chats

0 Replies

5141 Views

Last post by Azard_faza
Thu Nov 07, 2024 5:10 am
My third and final stone for identifying for now

Last post by Jennie « Tue Oct 29, 2024 6:54 am
Posted in Gemology Online Chats

by Jennie » Tue Oct 29, 2024 6:54 am » in Gemology Online Chats

0 Replies

5315 Views

Last post by Jennie
Tue Oct 29, 2024 6:54 am
Coming Soon! 5th Edition Printed Three-Volume Set

Last post by GlobalTraveller007 « Sun Oct 13, 2024 12:43 pm
Posted in Collecting Gem & Jewelry Books

by GlobalTraveller007 » Sun Oct 13, 2024 12:43 pm » in Collecting Gem & Jewelry Books

0 Replies

2550 Views

Last post by GlobalTraveller007
Sun Oct 13, 2024 12:43 pm
Inside Out | Journey into the Center of a Gem: BILLY HUGHES

Last post by Barbra Voltaire, FGG « Thu Oct 10, 2024 12:05 pm
Posted in Lotus Gemology

by Barbra Voltaire, FGG » Thu Oct 10, 2024 12:05 pm » in Lotus Gemology

0 Replies

4411 Views

Last post by Barbra Voltaire, FGG
Thu Oct 10, 2024 12:05 pm
Equipment advice…

Last post by RickR134 « Mon Oct 07, 2024 6:42 pm
Posted in Beginners Only!

by RickR134 » Mon Oct 07, 2024 6:42 pm » in Beginners Only!

0 Replies

1491 Views

Last post by RickR134
Mon Oct 07, 2024 6:42 pm
Ugly stone from Madagascar

Last post by Curious-George « Mon Oct 07, 2024 11:29 am
Posted in Stone and Inclusion Photos

by Curious-George » Mon Oct 07, 2024 11:29 am » in Stone and Inclusion Photos

0 Replies

11471 Views

Last post by Curious-George
Mon Oct 07, 2024 11:29 am
Microscope

Last post by Sparkles66 « Sun Aug 25, 2024 11:19 am
Posted in Gem Equipment

by Sparkles66 » Sun Aug 25, 2024 11:19 am » in Gem Equipment

0 Replies

42864 Views

Last post by Sparkles66
Sun Aug 25, 2024 11:19 am
2024 Baltimore Gem Mineral Fossil Show

Last post by Teresa W « Mon Jul 08, 2024 2:37 pm
Posted in Upcoming Shows & Events

by Teresa W » Mon Jul 08, 2024 2:37 pm » in Upcoming Shows & Events

0 Replies

2232 Views

Last post by Teresa W
Mon Jul 08, 2024 2:37 pm
Could these stones be nephrite Jade? How to know?

Last post by Greenbird « Fri May 17, 2024 7:40 pm
Posted in Identification of Stones with Overlapping Characteristics

by Greenbird » Fri May 17, 2024 7:40 pm » in Identification of Stones with Overlapping Characteristics

0 Replies

14563 Views

Last post by Greenbird
Fri May 17, 2024 7:40 pm
DeFusco or Hans Sintered Lap?

Last post by RandyB « Sat Apr 27, 2024 8:58 am
Posted in Lapidary Corner: Colored Stones

by RandyB » Sat Apr 27, 2024 8:58 am » in Lapidary Corner: Colored Stones

0 Replies

4746 Views

Last post by RandyB
Sat Apr 27, 2024 8:58 am
Color changing garnet ?

Last post by Owlx « Thu Feb 22, 2024 2:49 pm
Posted in Colored Stones

by Owlx » Thu Feb 22, 2024 2:49 pm » in Colored Stones

0 Replies

9944 Views

Last post by Owlx
Thu Feb 22, 2024 2:49 pm
Orangemonkie Foldio 360

Last post by chrisP « Sun Jan 21, 2024 8:44 am
Posted in Stone and Inclusion Photos

by chrisP » Sun Jan 21, 2024 8:44 am » in Stone and Inclusion Photos

0 Replies

4326 Views

Last post by chrisP
Sun Jan 21, 2024 8:44 am
Interesting Stone/artifact

Last post by Dor « Fri Dec 29, 2023 10:56 am
Posted in Questions for the Experts

by Dor » Fri Dec 29, 2023 10:56 am » in Questions for the Experts

0 Replies

3409 Views

Last post by Dor
Fri Dec 29, 2023 10:56 am
Out of Bankruptcy

Last post by Edward Bristol « Fri Nov 17, 2023 1:52 am
Posted in Employment Opportunities

by Edward Bristol » Fri Nov 17, 2023 1:52 am » in Employment Opportunities

0 Replies

19653 Views

Last post by Edward Bristol
Fri Nov 17, 2023 1:52 am
IDEX Polished Price Index Hits Lowest Level Since 2008

Last post by Barbra Voltaire, FGG « Mon Sep 11, 2023 11:49 am
Posted in Diamonds

by Barbra Voltaire, FGG » Mon Sep 11, 2023 11:49 am » in Diamonds

0 Replies

7163 Views

Last post by Barbra Voltaire, FGG
Mon Sep 11, 2023 11:49 am
Flux melt red spinel

Last post by GlobalTraveller007 « Sun Aug 20, 2023 1:43 pm
Posted in Synthetics and Treatments

by GlobalTraveller007 » Sun Aug 20, 2023 1:43 pm » in Synthetics and Treatments

0 Replies

8875 Views

Last post by GlobalTraveller007
Sun Aug 20, 2023 1:43 pm
A Brief History of the Zip Necklace

Last post by Barbra Voltaire, FGG « Thu Jul 27, 2023 12:04 pm
Posted in Vintage & Antique Gemstones, Jewellery and Obects D'Art

by Barbra Voltaire, FGG » Thu Jul 27, 2023 12:04 pm » in Vintage & Antique Gemstones, Jewellery and Obects D'Art

0 Replies

18411 Views

Last post by Barbra Voltaire, FGG
Thu Jul 27, 2023 12:04 pm
China Crystalline Treasures Book

Last post by danielle « Wed Jul 12, 2023 5:01 am
Posted in Useful Links

by danielle » Wed Jul 12, 2023 5:01 am » in Useful Links

0 Replies

29709 Views

Last post by danielle
Wed Jul 12, 2023 5:01 am
Nigerian Emeralds: Buyers Beware

Last post by Barbra Voltaire, FGG « Mon Jul 03, 2023 10:25 pm
Posted in Synthetics and Treatments

by Barbra Voltaire, FGG » Mon Jul 03, 2023 10:25 pm » in Synthetics and Treatments

0 Replies

6640 Views

Last post by Barbra Voltaire, FGG
Mon Jul 03, 2023 10:25 pm
GemGenève May 11-14 2023

Last post by Dioptase « Thu May 04, 2023 10:49 pm
Posted in Upcoming Shows & Events

by Dioptase » Thu May 04, 2023 10:49 pm » in Upcoming Shows & Events

0 Replies

7931 Views

Last post by Dioptase
Thu May 04, 2023 10:49 pm
Grade and Rate Diamond Transparency

Last post by G Holloway Cut Nut « Wed Apr 12, 2023 9:20 pm
Posted in GIA (Gemological Institute of America)

by G Holloway Cut Nut » Wed Apr 12, 2023 9:20 pm » in GIA (Gemological Institute of America)

0 Replies

18623 Views

Last post by G Holloway Cut Nut
Wed Apr 12, 2023 9:20 pm
Facet design called "Robin"

Last post by salik « Wed Mar 01, 2023 5:31 am
Posted in Lapidary Corner: Colored Stones

by salik » Wed Mar 01, 2023 5:31 am » in Lapidary Corner: Colored Stones

0 Replies

9682 Views

Last post by salik
Wed Mar 01, 2023 5:31 am
Displacement After Earthquake in Turkey

Last post by Barbra Voltaire, FGG « Thu Feb 16, 2023 3:16 pm
Posted in General Discussions

by Barbra Voltaire, FGG » Thu Feb 16, 2023 3:16 pm » in General Discussions

0 Replies

18439 Views

Last post by Barbra Voltaire, FGG
Thu Feb 16, 2023 3:16 pm
2023 Tucson Gem Mineral Show

Last post by Greenspinel « Tue Jan 10, 2023 6:35 pm
Posted in TUCSON GEM SHOWS 2022-2025 SPECIAL SECTION

by Greenspinel » Tue Jan 10, 2023 6:35 pm » in TUCSON GEM SHOWS 2022-2025 SPECIAL SECTION

0 Replies

17878 Views

Last post by Greenspinel
Tue Jan 10, 2023 6:35 pm
GIA Teams with Alan Revere to Revamp Graduate Jeweler Class

Last post by Barbra Voltaire, FGG « Wed Dec 28, 2022 2:41 pm
Posted in Jeweler's Bench

by Barbra Voltaire, FGG » Wed Dec 28, 2022 2:41 pm » in Jeweler's Bench

0 Replies

18407 Views

Last post by Barbra Voltaire, FGG
Wed Dec 28, 2022 2:41 pm
An Update on Sapphires with Unstable Color

Last post by Barbra Voltaire, FGG « Wed Dec 28, 2022 2:24 pm
Posted in Colored Stones

by Barbra Voltaire, FGG » Wed Dec 28, 2022 2:24 pm » in Colored Stones

0 Replies

10439 Views

Last post by Barbra Voltaire, FGG
Wed Dec 28, 2022 2:24 pm
CIBJO's Guide for Natural and Cultured Pearls

Last post by Barbra Voltaire, FGG « Sat Dec 03, 2022 1:22 pm
Posted in Organic Gems

by Barbra Voltaire, FGG » Sat Dec 03, 2022 1:22 pm » in Organic Gems

0 Replies

32756 Views

Last post by Barbra Voltaire, FGG
Sat Dec 03, 2022 1:22 pm
DeBeers Now Offers Diamond Grading

Last post by Barbra Voltaire, FGG « Wed Nov 30, 2022 1:05 pm
Posted in Diamonds

by Barbra Voltaire, FGG » Wed Nov 30, 2022 1:05 pm » in Diamonds

0 Replies

11083 Views

Last post by Barbra Voltaire, FGG
Wed Nov 30, 2022 1:05 pm
Facets Sri Lanka Gem and Jewelry show 2023

Last post by crescentgems « Thu Nov 17, 2022 10:44 am
Posted in Upcoming Shows & Events

by crescentgems » Thu Nov 17, 2022 10:44 am » in Upcoming Shows & Events

0 Replies

12944 Views

Last post by crescentgems
Thu Nov 17, 2022 10:44 am
Diamond mining results in environmental disaster

Last post by Barbra Voltaire, FGG « Thu Nov 03, 2022 12:21 pm
Posted in Diamonds

by Barbra Voltaire, FGG » Thu Nov 03, 2022 12:21 pm » in Diamonds

0 Replies

11303 Views

Last post by Barbra Voltaire, FGG
Thu Nov 03, 2022 12:21 pm
Imperial by Gem Instruments Faceting Machine

Last post by glhays « Mon Oct 31, 2022 4:58 pm
Posted in Lapidary Corner: Colored Stones

by glhays » Mon Oct 31, 2022 4:58 pm » in Lapidary Corner: Colored Stones

0 Replies

14059 Views

Last post by glhays
Mon Oct 31, 2022 4:58 pm
My design book, The Secret Teachings, back in stock

Last post by justinkprim « Thu Sep 22, 2022 10:04 am
Posted in Lapidary Corner: Colored Stones

by justinkprim » Thu Sep 22, 2022 10:04 am » in Lapidary Corner: Colored Stones

0 Replies

12912 Views

Last post by justinkprim
Thu Sep 22, 2022 10:04 am
Looking for Lee index

Last post by fedathc « Mon Sep 19, 2022 9:03 pm
Posted in Lapidary Corner: Colored Stones

by fedathc » Mon Sep 19, 2022 9:03 pm » in Lapidary Corner: Colored Stones

0 Replies

13177 Views

Last post by fedathc
Mon Sep 19, 2022 9:03 pm
Labor Day Well Wishes to all!

Last post by glhays « Mon Sep 05, 2022 12:20 am
Posted in Upcoming Shows & Events

by glhays » Mon Sep 05, 2022 12:20 am » in Upcoming Shows & Events

0 Replies

16977 Views

Last post by glhays
Mon Sep 05, 2022 12:20 am
USPAP Extended until December 31, 2023

Last post by Barbra Voltaire, FGG « Thu Aug 11, 2022 9:05 pm
Posted in Appraiser's Corner

by Barbra Voltaire, FGG » Thu Aug 11, 2022 9:05 pm » in Appraiser's Corner

0 Replies

30435 Views

Last post by Barbra Voltaire, FGG
Thu Aug 11, 2022 9:05 pm
Diamond Grading Lab NY

Last post by Sparkles66 « Fri Jul 15, 2022 6:26 am
Posted in GIA (Gemological Institute of America)

by Sparkles66 » Fri Jul 15, 2022 6:26 am » in GIA (Gemological Institute of America)

0 Replies

24459 Views

Last post by Sparkles66
Fri Jul 15, 2022 6:26 am
Gem Intro

Last post by Barbra Voltaire, FGG « Thu Jul 07, 2022 11:05 am
Posted in Gem-A (The Gemmological Association of Great Britain)

by Barbra Voltaire, FGG » Thu Jul 07, 2022 11:05 am » in Gem-A (The Gemmological Association of Great Britain)

0 Replies

54879 Views

Last post by Barbra Voltaire, FGG
Thu Jul 07, 2022 11:05 am
araiba like tourmaline, a misbegotten variety.

Last post by bruce_tourm « Mon Jul 04, 2022 6:46 am
Posted in Gems' Color

by bruce_tourm » Mon Jul 04, 2022 6:46 am » in Gems' Color

0 Replies

34899 Views

Last post by bruce_tourm
Mon Jul 04, 2022 6:46 am
autoclave to age baltic amber

Last post by carver « Mon Jul 04, 2022 3:36 am
Posted in Colored Stones

by carver » Mon Jul 04, 2022 3:36 am » in Colored Stones

0 Replies

16707 Views

Last post by carver
Mon Jul 04, 2022 3:36 am
CASTING DOUBT: METAL CASTING IN THE ANCIENT WORLD

Last post by Barbra Voltaire, FGG « Sun May 22, 2022 10:59 pm
Posted in Vintage & Antique Gemstones, Jewellery and Obects D'Art

by Barbra Voltaire, FGG » Sun May 22, 2022 10:59 pm » in Vintage & Antique Gemstones, Jewellery and Obects D'Art

0 Replies

34027 Views

Last post by Barbra Voltaire, FGG
Sun May 22, 2022 10:59 pm
Asking your Opinion

Last post by Anabell « Fri May 20, 2022 12:26 pm
Posted in Vintage & Antique Gemstones, Jewellery and Obects D'Art

by Anabell » Fri May 20, 2022 12:26 pm » in Vintage & Antique Gemstones, Jewellery and Obects D'Art

0 Replies

34173 Views

Last post by Anabell
Fri May 20, 2022 12:26 pm
Tips on FGA exam

Last post by Leel « Thu May 05, 2022 11:32 am
Posted in Gem-A (The Gemmological Association of Great Britain)

by Leel » Thu May 05, 2022 11:32 am » in Gem-A (The Gemmological Association of Great Britain)

0 Replies

33931 Views

Last post by Leel
Thu May 05, 2022 11:32 am
Eighteenth Annual Sinkankas Symposium

Last post by Barbra Voltaire, FGG « Fri Apr 22, 2022 9:25 pm
Posted in Upcoming Shows & Events

by Barbra Voltaire, FGG » Fri Apr 22, 2022 9:25 pm » in Upcoming Shows & Events

0 Replies

18153 Views

Last post by Barbra Voltaire, FGG
Fri Apr 22, 2022 9:25 pm
Indicolite Mysteries!

Last post by Shifter55 « Thu Apr 14, 2022 4:44 am
Posted in Beginners Only!

by Shifter55 » Thu Apr 14, 2022 4:44 am » in Beginners Only!

0 Replies

18586 Views

Last post by Shifter55
Thu Apr 14, 2022 4:44 am
Brushless Motor mod for a Graves Mark 5XL?

Last post by Turkinolith « Tue Apr 12, 2022 1:33 pm
Posted in Lapidary Corner: Colored Stones

by Turkinolith » Tue Apr 12, 2022 1:33 pm » in Lapidary Corner: Colored Stones

0 Replies

17118 Views

Last post by Turkinolith
Tue Apr 12, 2022 1:33 pm
Animating Gemstones

Last post by Greenspinel « Mon Apr 11, 2022 5:11 pm
Posted in Photography & Photomicrography

by Greenspinel » Mon Apr 11, 2022 5:11 pm » in Photography & Photomicrography

0 Replies

51138 Views

Last post by Greenspinel
Mon Apr 11, 2022 5:11 pm

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