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Diamonds pinpoint start of colliding continents

Last post by Barbra Voltaire, FGG « Thu Jul 09, 2026 2:22 pm
Posted in Other topics related to Gemology

by Barbra Voltaire, FGG » Thu Jul 09, 2026 2:22 pm » in Other topics related to Gemology

0 Replies

52 Views

Last post by Barbra Voltaire, FGG
Thu Jul 09, 2026 2:22 pm
The Lightning Ridge Opal & Gem Festival in 2026

Last post by nbs « Sun Jul 05, 2026 6:53 am
Posted in Upcoming Shows & Events

by nbs » Sun Jul 05, 2026 6:53 am » in Upcoming Shows & Events

0 Replies

7 Views

Last post by nbs
Sun Jul 05, 2026 6:53 am
Facets Sri lanka 2027

Last post by crescentgems « Sat Jul 04, 2026 1:36 am
Posted in Upcoming Shows & Events

by crescentgems » Sat Jul 04, 2026 1:36 am » in Upcoming Shows & Events

0 Replies

237 Views

Last post by crescentgems
Sat Jul 04, 2026 1:36 am
A Ruby and its valuation

Last post by Mohmand « Sun Jun 21, 2026 2:28 pm
Posted in Colored Stones

by Mohmand » Sun Jun 21, 2026 2:28 pm » in Colored Stones

0 Replies

420 Views

Last post by Mohmand
Sun Jun 21, 2026 2:28 pm
Brazilian Paraiba with a reverse color change

Last post by Marlow « Fri Apr 03, 2026 11:42 am
Posted in Colored Stones

by Marlow » Fri Apr 03, 2026 11:42 am » in Colored Stones

0 Replies

5241 Views

Last post by Marlow
Fri Apr 03, 2026 11:42 am
Botswana Diamonds Changes Name, Focuses on Copper

Last post by Barbra Voltaire, FGG « Fri Mar 06, 2026 10:11 pm
Posted in Diamonds

by Barbra Voltaire, FGG » Fri Mar 06, 2026 10:11 pm » in Diamonds

0 Replies

26688 Views

Last post by Barbra Voltaire, FGG
Fri Mar 06, 2026 10:11 pm
Ethiopian Opal Cabochons – Questions on Quality & Stability

Last post by Barbra Voltaire, FGG « Sun Jan 25, 2026 2:57 pm
Posted in Colored Stones

by Barbra Voltaire, FGG » Sun Jan 25, 2026 2:57 pm » in Colored Stones

0 Replies

25111 Views

Last post by Barbra Voltaire, FGG
Sun Jan 25, 2026 2:57 pm
Recent donation of faceting equipment

Last post by wilsonintexas « Fri Nov 28, 2025 11:35 am
Posted in Lapidary Corner: Colored Stones

by wilsonintexas » Fri Nov 28, 2025 11:35 am » in Lapidary Corner: Colored Stones

0 Replies

19811 Views

Last post by wilsonintexas
Fri Nov 28, 2025 11:35 am
Re: Top 10 Questions to Check Before Buying an Opal Gemstone Online

Last post by Barbra Voltaire, FGG « Sun Oct 19, 2025 12:44 pm
Posted in Gemology Online Chats

by Barbra Voltaire, FGG » Sun Oct 19, 2025 12:44 pm » in Gemology Online Chats

0 Replies

19875 Views

Last post by Barbra Voltaire, FGG
Sun Oct 19, 2025 12:44 pm
The 58th Annual Gem, Mineral, Fossil, Jewelry, & Bead Show

Last post by rtracey « Wed Oct 08, 2025 1:42 pm
Posted in Upcoming Shows & Events

by rtracey » Wed Oct 08, 2025 1:42 pm » in Upcoming Shows & Events

0 Replies

35755 Views

Last post by rtracey
Wed Oct 08, 2025 1:42 pm
Concerning concave facetting

Last post by C.Sanwill « Wed Sep 17, 2025 1:07 am
Posted in Lapidary Corner: Colored Stones

by C.Sanwill » Wed Sep 17, 2025 1:07 am » in Lapidary Corner: Colored Stones

0 Replies

22130 Views

Last post by C.Sanwill
Wed Sep 17, 2025 1:07 am
Hardrock Summit 2025

Last post by path914 « Fri Aug 15, 2025 6:17 pm
Posted in Upcoming Shows & Events

by path914 » Fri Aug 15, 2025 6:17 pm » in Upcoming Shows & Events

0 Replies

23917 Views

Last post by path914
Fri Aug 15, 2025 6:17 pm
A Lesson in Jewelry History

Last post by Barbra Voltaire, FGG « Wed Jul 16, 2025 12:42 am
Posted in Vintage & Antique Gemstones, Jewellery and Obects D'Art

by Barbra Voltaire, FGG » Wed Jul 16, 2025 12:42 am » in Vintage & Antique Gemstones, Jewellery and Obects D'Art

0 Replies

23052 Views

Last post by Barbra Voltaire, FGG
Wed Jul 16, 2025 12:42 am
GIA to Use New Descriptive Terminology for Laboratory-Grown Diamonds

Last post by Barbra Voltaire, FGG « Sat Jul 12, 2025 1:31 pm
Posted in Diamonds

by Barbra Voltaire, FGG » Sat Jul 12, 2025 1:31 pm » in Diamonds

0 Replies

23467 Views

Last post by Barbra Voltaire, FGG
Sat Jul 12, 2025 1:31 pm
Free Appraisal Cources Offered until October

Last post by Barbra Voltaire, FGG « Fri Jun 27, 2025 12:45 pm
Posted in Appraiser's Corner

by Barbra Voltaire, FGG » Fri Jun 27, 2025 12:45 pm » in Appraiser's Corner

0 Replies

46671 Views

Last post by Barbra Voltaire, FGG
Fri Jun 27, 2025 12:45 pm
GemQuest High Performance Gemmological Scholarship Program

Last post by GlobalTraveller007 « Tue Jun 03, 2025 8:06 pm
Posted in World Gem Foundation

by GlobalTraveller007 » Tue Jun 03, 2025 8:06 pm » in World Gem Foundation

0 Replies

44902 Views

Last post by GlobalTraveller007
Tue Jun 03, 2025 8:06 pm
ASJRA Annual Conference

Last post by Barbra Voltaire, FGG « Wed Apr 23, 2025 9:50 pm
Posted in Vintage & Antique Gemstones, Jewellery and Obects D'Art

by Barbra Voltaire, FGG » Wed Apr 23, 2025 9:50 pm » in Vintage & Antique Gemstones, Jewellery and Obects D'Art

0 Replies

26161 Views

Last post by Barbra Voltaire, FGG
Wed Apr 23, 2025 9:50 pm
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

27212 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

52603 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

42215 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

28815 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

30905 Views

Last post by Azard_faza
Thu Nov 07, 2024 5:10 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

29817 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

36814 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

26214 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

40572 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

67383 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

30620 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

61967 Views

Last post by Greenbird
Fri May 17, 2024 7:40 pm
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

35425 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

29581 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

37750 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

66741 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

66977 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

67745 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

85899 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

163873 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

73713 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

78344 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

89673 Views

Last post by G Holloway Cut Nut
Wed Apr 12, 2023 9:20 pm
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

91606 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

90625 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

94218 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

87833 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

106095 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

83155 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

85604 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

87152 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

79357 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

78282 Views

Last post by justinkprim
Thu Sep 22, 2022 10:04 am

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