October 9-10; LOS ALTOS, CALIFORNIA: Annual show; Peninsula Gem and Geology Society; Los Altos Community Center, Sat. 10-5, Sun. 10-5; free admission
Welcome to the GemologyOnline.com Forum
A non-profit Forum for the exchange of gemological ideas
It is currently Mon Sep 27, 2021 10:06 am

All times are UTC - 4 hours


View unanswered posts

   Topics   Author   Replies   Views   Last post 
There are no new unread posts for this topic. Vincent Pardieu Reports on New Sapphire Find in Madagascar

in Colored Stones

Barbra Voltaire, FGG

0

168

Wed Sep 22, 2021 11:41 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Implications from the Roof Diamond

in Gem-A (The Gemmological Association of Great Britain)

Barbra Voltaire, FGG

0

665

Mon Sep 13, 2021 11:07 am

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Attachment(s) Cats eye sapphire

in Collector's Corner: Gems

arms

0

605

Wed Aug 18, 2021 11:52 pm

arms View the latest post

There are no new unread posts for this topic. Looking for gemologists in Sri Lanka

in Employment Opportunities

Leel

0

1629

Tue Aug 03, 2021 2:25 am

Leel View the latest post

There are no new unread posts for this topic. Dating Zircon inclusions in Sapphire

in Research

Barbra Voltaire, FGG

0

902

Mon Aug 02, 2021 7:14 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. CIBJO: Laboratory Grown Diamond Guidlines

in Diamonds

Barbra Voltaire, FGG

0

2329

Thu Jun 17, 2021 11:38 am

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Jewellery: History, Identification and Important Trends

in SSEF: Swiss Gemmological Institute

Barbra Voltaire, FGG

0

1309

Fri Jun 04, 2021 12:58 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Flux-grown synthetic rubies sold as natural rubies

in GGTL Laboratories

Barbra Voltaire, FGG

0

2763

Wed May 12, 2021 12:41 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Attachment(s) Deciphering the Enigmatic Origin of Guyana's Diamonds

in Diamonds

Barbra Voltaire, FGG

0

3459

Thu May 06, 2021 12:37 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. The Story of Rewa Okan - Agodi Rubellite

in Useful Links

Dor

0

2966

Sat May 01, 2021 10:12 pm

Dor View the latest post

There are no new unread posts for this topic. The Pearl Story

in Useful Links

Dor

0

1547

Sat May 01, 2021 10:04 pm

Dor View the latest post

There are no new unread posts for this topic. Ten Exotic and Phenomenal Gemstones

in Useful Links

Dor

0

391

Sat May 01, 2021 10:02 pm

Dor View the latest post

There are no new unread posts for this topic. The Tanzanite Story

in Useful Links

Dor

0

382

Sat May 01, 2021 9:56 pm

Dor View the latest post

There are no new unread posts for this topic. Three Precious Gems: Rubies, Emeralds, Sapphires

in Useful Links

Dor

0

401

Sat May 01, 2021 9:45 pm

Dor View the latest post

There are no new unread posts for this topic. The Gemstone Journey

in Useful Links

Dor

0

398

Sat May 01, 2021 9:39 pm

Dor View the latest post

There are no new unread posts for this topic. WEBINAR:Green to greenish blue to yellow green diamonds

in Diamonds

Barbra Voltaire, FGG

0

4100

Thu Apr 22, 2021 12:20 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. The slow agony of the Kimberley Process. Ethics during COVID

in Diamonds

Barbra Voltaire, FGG

0

4210

Thu Apr 22, 2021 11:55 am

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Attachment(s) Mastervaluer Opportunity

in Appraiser's Corner

melhuth

0

1058

Thu Apr 15, 2021 4:24 pm

melhuth View the latest post

There are no new unread posts for this topic. Attachment(s) Bugs and Birthstones

in Virtual Marketplace

Barbra Voltaire, FGG

0

2770

Wed Apr 14, 2021 2:54 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Attachment(s) Emeralds

in Colored Stones

j.mcgee_1985

0

2606

Thu Mar 04, 2021 10:59 pm

j.mcgee_1985 View the latest post

There are no new unread posts for this topic. Attachment(s) Cats eye sapphire

in Appraiser's Corner

arms

0

1251

Sat Feb 27, 2021 12:04 am

arms View the latest post

There are no new unread posts for this topic. How Hydrothermal Emeralds are Created

in Synthetics and Treatments

Barbra Voltaire, FGG

0

707

Fri Feb 26, 2021 9:54 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Diamonds with Fake Inscriptions Turn Up at GIA

in Diamonds

Barbra Voltaire, FGG

0

5522

Fri Feb 26, 2021 5:38 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Gem Lapidary machines

in Gem Equipment

firedrake

0

2335

Sat Feb 20, 2021 5:54 pm

firedrake View the latest post

There are no new unread posts for this topic. Looking for Diamcal scan version 1.0

in Gemology Apps and Appraisal Software

Kerkvi

0

801

Sat Feb 20, 2021 4:44 am

Kerkvi View the latest post

There are no new unread posts for this topic. The untold story of Douros Synthetic Rubies

in Synthetics and Treatments

Barbra Voltaire, FGG

0

688

Thu Feb 18, 2021 4:05 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. CIBJO Guide: Classifying Natural Pearls and Cultured Pearls

in Organic Gems

Barbra Voltaire, FGG

0

3191

Thu Feb 18, 2021 1:41 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Raman Spectroscopy:technique and its gemological application

in Gem Equipment

Barbra Voltaire, FGG

0

565

Thu Jan 21, 2021 1:56 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Making opal

in Synthetics and Treatments

dchallener

0

555

Tue Jan 12, 2021 12:31 am

dchallener View the latest post

There are no new unread posts for this topic. Attachment(s) Neat Ring, Large Green Stone, Prasiolite?

in Colored Stones

Rosieposie

0

1276

Wed Jan 06, 2021 6:42 pm

Rosieposie View the latest post

There are no new unread posts for this topic. Attachment(s) Different shades of tourmaline

in Colored Stones

Mohmand

0

1300

Tue Dec 29, 2020 5:15 am

Mohmand View the latest post

There are no new unread posts for this topic. The Gemcutters Library Video

in Collecting Gem & Jewelry Books

justinkprim

0

3624

Sat Dec 26, 2020 6:21 am

justinkprim View the latest post

There are no new unread posts for this topic. Kernowite - new mineral discovered in Cornwall

in Miner's Corner

johngemo

0

6255

Wed Dec 23, 2020 6:33 am

johngemo View the latest post

There are no new unread posts for this topic. Technological Transformation of the Coloured Stone Industry

in Gemological Articles

Barbra Voltaire, FGG

0

7309

Sun Dec 20, 2020 4:29 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Gemology as a Science Presented by James Shigley

in Research

Barbra Voltaire, FGG

0

4546

Tue Dec 01, 2020 2:58 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Help planning lap usage

in Lapidary Corner: Colored Stones

flyingcat

0

625

Fri Nov 20, 2020 4:55 pm

flyingcat View the latest post

There are no new unread posts for this topic. The Wild Story Behind Cartier’s Panthers

in Appraiser's Corner

Barbra Voltaire, FGG

0

842

Sun Nov 15, 2020 12:08 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. About me

in Let's Introduce Ourselves!

transnational12

0

9785

Sat Nov 07, 2020 9:08 am

transnational12 View the latest post

There are no new unread posts for this topic. Value Factors, Design and Cut Quality of Colored Gemstones

in Lapidary Corner: Colored Stones

Barbra Voltaire, FGG

0

594

Sun Oct 25, 2020 8:55 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Thin Section Coasters?

in Fossils, Minerals & Curiosities

Barbra Voltaire, FGG

0

2684

Mon Oct 19, 2020 11:22 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Wonky spectrum on a diffraction grating spectroscope

in Beginners Only!

Circuitgems

0

580

Wed Oct 14, 2020 7:00 pm

Circuitgems View the latest post

There are no new unread posts for this topic. I’m interviewing a master jambpeg cutter from england

in Lapidary Corner: Colored Stones

justinkprim

0

799

Tue Oct 06, 2020 1:59 am

justinkprim View the latest post

There are no new unread posts for this topic. Dallas gem and Mineral Show is on for Nov 21 and 22nd

in Upcoming Shows & Events

wilsonintexas

0

2127

Mon Sep 28, 2020 7:31 pm

wilsonintexas View the latest post

There are no new unread posts for this topic. Happy Birthday Elvis!

in General Discussions

Barbra Voltaire, FGG

0

12171

Mon Sep 14, 2020 9:07 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Attachment(s) Kashmir Ruby and Sapphire, rough

in Colored Stones

Mohmand

0

646

Sun Sep 06, 2020 3:41 pm

Mohmand View the latest post

There are no new unread posts for this topic. RIP Barry Bridgestock

in General Discussions

Dioptase

0

12337

Thu Aug 27, 2020 10:01 pm

Dioptase View the latest post

There are no new unread posts for this topic. GIA Lab Is Moving to Automated Clarity Grading

in Diamonds

Barbra Voltaire, FGG

0

4047

Mon Jul 27, 2020 4:09 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Diamonds from India

in Beginners Only!

Newbiewithdiamonds

0

631

Fri Jul 24, 2020 7:49 am

Newbiewithdiamonds View the latest post

There are no new unread posts for this topic. Attachment(s) Stone identification

in Fossils, Minerals & Curiosities

Yokietoks

0

1424

Sat Jul 18, 2020 7:45 pm

Yokietoks View the latest post

There are no new unread posts for this topic. Attachment(s) Odd inclusion in Spinel

in Stone and Inclusion Photos

Curious-George

0

3710

Thu Jun 25, 2020 1:31 pm

Curious-George View the latest post

Display posts from previous:  Sort by:  
Page 1 of 20 [ Search found more than 1000 matches ]


All times are UTC - 4 hours


Jump to:  
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group
Gemology Style ported to phpBB3 by Christian Bullock