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Cats eye sapphire

Last post by arms « Sat Feb 27, 2021 12:04 am
Posted in Appraiser's Corner

by arms » Sat Feb 27, 2021 12:04 am » in Appraiser's Corner

0 Replies

12538 Views

Last post by arms
Sat Feb 27, 2021 12:04 am
How Hydrothermal Emeralds are Created

Last post by Barbra Voltaire, FGG « Fri Feb 26, 2021 9:54 pm
Posted in Synthetics and Treatments

by Barbra Voltaire, FGG » Fri Feb 26, 2021 9:54 pm » in Synthetics and Treatments

0 Replies

12419 Views

Last post by Barbra Voltaire, FGG
Fri Feb 26, 2021 9:54 pm
Diamonds with Fake Inscriptions Turn Up at GIA

Last post by Barbra Voltaire, FGG « Fri Feb 26, 2021 5:38 pm
Posted in Diamonds

by Barbra Voltaire, FGG » Fri Feb 26, 2021 5:38 pm » in Diamonds

0 Replies

18040 Views

Last post by Barbra Voltaire, FGG
Fri Feb 26, 2021 5:38 pm
Gem Lapidary machines

Last post by firedrake « Sat Feb 20, 2021 5:54 pm
Posted in Gem Equipment

by firedrake » Sat Feb 20, 2021 5:54 pm » in Gem Equipment

0 Replies

9414 Views

Last post by firedrake
Sat Feb 20, 2021 5:54 pm
Looking for Diamcal scan version 1.0

Last post by Kerkvi « Sat Feb 20, 2021 4:44 am
Posted in Gemology Apps and Appraisal Software

by Kerkvi » Sat Feb 20, 2021 4:44 am » in Gemology Apps and Appraisal Software

0 Replies

9309 Views

Last post by Kerkvi
Sat Feb 20, 2021 4:44 am
The untold story of Douros Synthetic Rubies

Last post by Barbra Voltaire, FGG « Thu Feb 18, 2021 4:05 pm
Posted in Synthetics and Treatments

by Barbra Voltaire, FGG » Thu Feb 18, 2021 4:05 pm » in Synthetics and Treatments

0 Replies

13614 Views

Last post by Barbra Voltaire, FGG
Thu Feb 18, 2021 4:05 pm
Raman Spectroscopy:technique and its gemological application

Last post by Barbra Voltaire, FGG « Thu Jan 21, 2021 1:56 pm
Posted in Gem Equipment

by Barbra Voltaire, FGG » Thu Jan 21, 2021 1:56 pm » in Gem Equipment

0 Replies

6741 Views

Last post by Barbra Voltaire, FGG
Thu Jan 21, 2021 1:56 pm
Making opal

Last post by dchallener « Tue Jan 12, 2021 12:31 am
Posted in Synthetics and Treatments

by dchallener » Tue Jan 12, 2021 12:31 am » in Synthetics and Treatments

0 Replies

9623 Views

Last post by dchallener
Tue Jan 12, 2021 12:31 am
Neat Ring, Large Green Stone, Prasiolite?

Last post by Rosieposie « Wed Jan 06, 2021 6:42 pm
Posted in Colored Stones

by Rosieposie » Wed Jan 06, 2021 6:42 pm » in Colored Stones

0 Replies

6642 Views

Last post by Rosieposie
Wed Jan 06, 2021 6:42 pm
Different shades of tourmaline

Last post by Mohmand « Tue Dec 29, 2020 5:15 am
Posted in Colored Stones

by Mohmand » Tue Dec 29, 2020 5:15 am » in Colored Stones

0 Replies

6705 Views

Last post by Mohmand
Tue Dec 29, 2020 5:15 am
The Gemcutters Library Video

Last post by justinkprim « Sat Dec 26, 2020 6:21 am
Posted in Collecting Gem & Jewelry Books

by justinkprim » Sat Dec 26, 2020 6:21 am » in Collecting Gem & Jewelry Books

0 Replies

12316 Views

Last post by justinkprim
Sat Dec 26, 2020 6:21 am
Kernowite - new mineral discovered in Cornwall

Last post by johngemo « Wed Dec 23, 2020 6:33 am
Posted in Miner's Corner

by johngemo » Wed Dec 23, 2020 6:33 am » in Miner's Corner

0 Replies

37654 Views

Last post by johngemo
Wed Dec 23, 2020 6:33 am
Technological Transformation of the Coloured Stone Industry

Last post by Barbra Voltaire, FGG « Sun Dec 20, 2020 4:29 pm
Posted in Gemological Articles

by Barbra Voltaire, FGG » Sun Dec 20, 2020 4:29 pm » in Gemological Articles

0 Replies

56420 Views

Last post by Barbra Voltaire, FGG
Sun Dec 20, 2020 4:29 pm
Gemology as a Science Presented by James Shigley

Last post by Barbra Voltaire, FGG « Tue Dec 01, 2020 2:58 pm
Posted in Research

by Barbra Voltaire, FGG » Tue Dec 01, 2020 2:58 pm » in Research

0 Replies

13301 Views

Last post by Barbra Voltaire, FGG
Tue Dec 01, 2020 2:58 pm
Help planning lap usage

Last post by flyingcat « Fri Nov 20, 2020 4:55 pm
Posted in Lapidary Corner: Colored Stones

by flyingcat » Fri Nov 20, 2020 4:55 pm » in Lapidary Corner: Colored Stones

0 Replies

6072 Views

Last post by flyingcat
Fri Nov 20, 2020 4:55 pm
The Wild Story Behind Cartier’s Panthers

Last post by Barbra Voltaire, FGG « Sun Nov 15, 2020 12:08 pm
Posted in Appraiser's Corner

by Barbra Voltaire, FGG » Sun Nov 15, 2020 12:08 pm » in Appraiser's Corner

0 Replies

9664 Views

Last post by Barbra Voltaire, FGG
Sun Nov 15, 2020 12:08 pm
About me

Last post by transnational12 « Sat Nov 07, 2020 9:08 am
Posted in Let's Introduce Ourselves!

by transnational12 » Sat Nov 07, 2020 9:08 am » in Let's Introduce Ourselves!

0 Replies

20821 Views

Last post by transnational12
Sat Nov 07, 2020 9:08 am
Value Factors, Design and Cut Quality of Colored Gemstones

Last post by Barbra Voltaire, FGG « Sun Oct 25, 2020 8:55 pm
Posted in Lapidary Corner: Colored Stones

by Barbra Voltaire, FGG » Sun Oct 25, 2020 8:55 pm » in Lapidary Corner: Colored Stones

0 Replies

5291 Views

Last post by Barbra Voltaire, FGG
Sun Oct 25, 2020 8:55 pm
Thin Section Coasters?

Last post by Barbra Voltaire, FGG « Mon Oct 19, 2020 11:22 pm
Posted in Fossils, Minerals & Curiosities

by Barbra Voltaire, FGG » Mon Oct 19, 2020 11:22 pm » in Fossils, Minerals & Curiosities

0 Replies

9900 Views

Last post by Barbra Voltaire, FGG
Mon Oct 19, 2020 11:22 pm
Wonky spectrum on a diffraction grating spectroscope

Last post by Circuitgems « Wed Oct 14, 2020 7:00 pm
Posted in Beginners Only!

by Circuitgems » Wed Oct 14, 2020 7:00 pm » in Beginners Only!

0 Replies

4839 Views

Last post by Circuitgems
Wed Oct 14, 2020 7:00 pm
I’m interviewing a master jambpeg cutter from england

Last post by justinkprim « Tue Oct 06, 2020 1:59 am
Posted in Lapidary Corner: Colored Stones

by justinkprim » Tue Oct 06, 2020 1:59 am » in Lapidary Corner: Colored Stones

0 Replies

4995 Views

Last post by justinkprim
Tue Oct 06, 2020 1:59 am
Dallas gem and Mineral Show is on for Nov 21 and 22nd

Last post by wilsonintexas « Mon Sep 28, 2020 7:31 pm
Posted in Upcoming Shows & Events

by wilsonintexas » Mon Sep 28, 2020 7:31 pm » in Upcoming Shows & Events

0 Replies

9441 Views

Last post by wilsonintexas
Mon Sep 28, 2020 7:31 pm
Happy Birthday Elvis!

Last post by Barbra Voltaire, FGG « Mon Sep 14, 2020 9:07 pm
Posted in General Discussions

by Barbra Voltaire, FGG » Mon Sep 14, 2020 9:07 pm » in General Discussions

0 Replies

24033 Views

Last post by Barbra Voltaire, FGG
Mon Sep 14, 2020 9:07 pm
Kashmir Ruby and Sapphire, rough

Last post by Mohmand « Sun Sep 06, 2020 3:41 pm
Posted in Colored Stones

by Mohmand » Sun Sep 06, 2020 3:41 pm » in Colored Stones

0 Replies

3970 Views

Last post by Mohmand
Sun Sep 06, 2020 3:41 pm
RIP Barry Bridgestock

Last post by Dioptase « Thu Aug 27, 2020 10:01 pm
Posted in General Discussions

by Dioptase » Thu Aug 27, 2020 10:01 pm » in General Discussions

0 Replies

20402 Views

Last post by Dioptase
Thu Aug 27, 2020 10:01 pm
GIA Lab Is Moving to Automated Clarity Grading

Last post by Barbra Voltaire, FGG « Mon Jul 27, 2020 4:09 pm
Posted in Diamonds

by Barbra Voltaire, FGG » Mon Jul 27, 2020 4:09 pm » in Diamonds

0 Replies

8703 Views

Last post by Barbra Voltaire, FGG
Mon Jul 27, 2020 4:09 pm
Diamonds from India

Last post by Newbiewithdiamonds « Fri Jul 24, 2020 7:49 am
Posted in Beginners Only!

by Newbiewithdiamonds » Fri Jul 24, 2020 7:49 am » in Beginners Only!

0 Replies

3363 Views

Last post by Newbiewithdiamonds
Fri Jul 24, 2020 7:49 am
Stone identification

Last post by Yokietoks « Sat Jul 18, 2020 7:45 pm
Posted in Fossils, Minerals & Curiosities

by Yokietoks » Sat Jul 18, 2020 7:45 pm » in Fossils, Minerals & Curiosities

0 Replies

6390 Views

Last post by Yokietoks
Sat Jul 18, 2020 7:45 pm
Odd inclusion in Spinel

Last post by Curious-George « Thu Jun 25, 2020 1:31 pm
Posted in Stone and Inclusion Photos

by Curious-George » Thu Jun 25, 2020 1:31 pm » in Stone and Inclusion Photos

0 Replies

11270 Views

Last post by Curious-George
Thu Jun 25, 2020 1:31 pm
Looking for Taiwan jade experts

Last post by Volga « Wed Jun 17, 2020 8:31 pm
Posted in Colored Stones

by Volga » Wed Jun 17, 2020 8:31 pm » in Colored Stones

0 Replies

3480 Views

Last post by Volga
Wed Jun 17, 2020 8:31 pm
Gem-A Live: 150 Years of Diamond Mining in Kimberley

Last post by Barbra Voltaire, FGG « Mon Jun 15, 2020 12:37 pm
Posted in Gem-A (The Gemmological Association of Great Britain)

by Barbra Voltaire, FGG » Mon Jun 15, 2020 12:37 pm » in Gem-A (The Gemmological Association of Great Britain)

0 Replies

18949 Views

Last post by Barbra Voltaire, FGG
Mon Jun 15, 2020 12:37 pm
Field Gemology Talks: Pardieu and Hughes

Last post by Barbra Voltaire, FGG « Mon Jun 15, 2020 12:34 pm
Posted in Upcoming Shows & Events

by Barbra Voltaire, FGG » Mon Jun 15, 2020 12:34 pm » in Upcoming Shows & Events

0 Replies

7854 Views

Last post by Barbra Voltaire, FGG
Mon Jun 15, 2020 12:34 pm
Neon Tourmaline

Last post by Mohmand « Fri Jun 12, 2020 10:04 am
Posted in Colored Stones

by Mohmand » Fri Jun 12, 2020 10:04 am » in Colored Stones

0 Replies

2947 Views

Last post by Mohmand
Fri Jun 12, 2020 10:04 am
Help with Art Deco Maker's Mark

Last post by josephjfigo « Tue Jun 09, 2020 5:06 pm
Posted in Vintage & Antique Gemstones, Jewellery and Obects D'Art

by josephjfigo » Tue Jun 09, 2020 5:06 pm » in Vintage & Antique Gemstones, Jewellery and Obects D'Art

0 Replies

6544 Views

Last post by josephjfigo
Tue Jun 09, 2020 5:06 pm
Stunning Opal

Last post by Mohmand « Thu Jun 04, 2020 4:29 pm
Posted in Colored Stones

by Mohmand » Thu Jun 04, 2020 4:29 pm » in Colored Stones

0 Replies

2131 Views

Last post by Mohmand
Thu Jun 04, 2020 4:29 pm
Hello from Pakistan

Last post by Mohmand « Thu May 28, 2020 4:32 pm
Posted in Welcoming Messages

by Mohmand » Thu May 28, 2020 4:32 pm » in Welcoming Messages

0 Replies

57196 Views

Last post by Mohmand
Thu May 28, 2020 4:32 pm
Hello from Pakistan

Last post by Mohmand « Thu May 28, 2020 4:31 pm
Posted in Welcoming Messages

by Mohmand » Thu May 28, 2020 4:31 pm » in Welcoming Messages

0 Replies

56659 Views

Last post by Mohmand
Thu May 28, 2020 4:31 pm
Synthetic Diamond Tests Moissanite on Presidium Multi Tester

Last post by Barbra Voltaire, FGG « Fri May 22, 2020 12:58 am
Posted in Synthetics and Treatments

by Barbra Voltaire, FGG » Fri May 22, 2020 12:58 am » in Synthetics and Treatments

0 Replies

15822 Views

Last post by Barbra Voltaire, FGG
Fri May 22, 2020 12:58 am
New MasterValuer Course Announcement

Last post by melhuth « Thu May 21, 2020 11:42 pm
Posted in Appraiser's Corner

by melhuth » Thu May 21, 2020 11:42 pm » in Appraiser's Corner

0 Replies

5271 Views

Last post by melhuth
Thu May 21, 2020 11:42 pm
Seeing Colour: Succeed with the Spectroscope

Last post by Barbra Voltaire, FGG « Wed May 06, 2020 9:17 pm
Posted in Gem-A (The Gemmological Association of Great Britain)

by Barbra Voltaire, FGG » Wed May 06, 2020 9:17 pm » in Gem-A (The Gemmological Association of Great Britain)

0 Replies

13170 Views

Last post by Barbra Voltaire, FGG
Wed May 06, 2020 9:17 pm
For those GG's out there - Free continuing education

Last post by path914 « Wed Apr 29, 2020 2:16 pm
Posted in GIA (Gemological Institute of America)

by path914 » Wed Apr 29, 2020 2:16 pm » in GIA (Gemological Institute of America)

0 Replies

6113 Views

Last post by path914
Wed Apr 29, 2020 2:16 pm
Introduction to Colored Diamonds Grading & Pricing

Last post by Barbra Voltaire, FGG « Wed Apr 22, 2020 2:09 pm
Posted in GWLAB

by Barbra Voltaire, FGG » Wed Apr 22, 2020 2:09 pm » in GWLAB

0 Replies

18602 Views

Last post by Barbra Voltaire, FGG
Wed Apr 22, 2020 2:09 pm
Sapphires Heated with Heat an Pressure

Last post by Barbra Voltaire, FGG « Mon Apr 20, 2020 12:02 pm
Posted in SSEF: Swiss Gemmological Institute

by Barbra Voltaire, FGG » Mon Apr 20, 2020 12:02 pm » in SSEF: Swiss Gemmological Institute

0 Replies

19722 Views

Last post by Barbra Voltaire, FGG
Mon Apr 20, 2020 12:02 pm
Composite Geemstones

Last post by Barbra Voltaire, FGG « Mon Apr 20, 2020 11:48 am
Posted in Gem-A (The Gemmological Association of Great Britain)

by Barbra Voltaire, FGG » Mon Apr 20, 2020 11:48 am » in Gem-A (The Gemmological Association of Great Britain)

0 Replies

12816 Views

Last post by Barbra Voltaire, FGG
Mon Apr 20, 2020 11:48 am
Lead Glass Filled Rubies & Sapphires

Last post by Barbra Voltaire, FGG « Mon Apr 13, 2020 11:18 am
Posted in Gem-A (The Gemmological Association of Great Britain)

by Barbra Voltaire, FGG » Mon Apr 13, 2020 11:18 am » in Gem-A (The Gemmological Association of Great Britain)

0 Replies

12971 Views

Last post by Barbra Voltaire, FGG
Mon Apr 13, 2020 11:18 am
How to fill your quarantine time

Last post by cascaillou « Sun Mar 29, 2020 8:50 pm
Posted in General Discussions

by cascaillou » Sun Mar 29, 2020 8:50 pm » in General Discussions

0 Replies

14002 Views

Last post by cascaillou
Sun Mar 29, 2020 8:50 pm
Anyone recognize this?

Last post by raeghan.s « Fri Mar 20, 2020 2:01 am
Posted in Questions for the Experts

by raeghan.s » Fri Mar 20, 2020 2:01 am » in Questions for the Experts

0 Replies

2585 Views

Last post by raeghan.s
Fri Mar 20, 2020 2:01 am
Coronavirus pastime: Download Books

Last post by Barbra Voltaire, FGG « Wed Mar 18, 2020 11:49 am
Posted in Collecting Gem & Jewelry Books

by Barbra Voltaire, FGG » Wed Mar 18, 2020 11:49 am » in Collecting Gem & Jewelry Books

0 Replies

5513 Views

Last post by Barbra Voltaire, FGG
Wed Mar 18, 2020 11:49 am
First Diamond Cutters in America

Last post by Barbra Voltaire, FGG « Sun Mar 15, 2020 1:55 pm
Posted in Lapidary Corner: Diamond Cutting

by Barbra Voltaire, FGG » Sun Mar 15, 2020 1:55 pm » in Lapidary Corner: Diamond Cutting

0 Replies

19282 Views

Last post by Barbra Voltaire, FGG
Sun Mar 15, 2020 1:55 pm
3D mineral and rock sample apps

Last post by Barbra Voltaire, FGG « Tue Mar 10, 2020 12:39 pm
Posted in Fossils, Minerals & Curiosities

by Barbra Voltaire, FGG » Tue Mar 10, 2020 12:39 pm » in Fossils, Minerals & Curiosities

0 Replies

4751 Views

Last post by Barbra Voltaire, FGG
Tue Mar 10, 2020 12:39 pm

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