October 1-3; ALBERTO SCARANI: IN PERSON AND ONLINE; SHERATON, NEW ORLEANS



THE GEMOLOGY PROJECT
is a free Gemological Encyclopedia
that anyone can edit!

The Gemology Project: Wiki Style Gemology Encyclopedia
JOIN NOW!

 


FREE ONLINE GEMOLOGICAL INFO:

Complete Collection Of Gems & Gemology




Justin K. Prim: MAGUS GEMS




Geminterest

Magnetism in Gemstones






Gill's Historical Index to Gems and Gemology




Inclusions in Gems

Houston's Gemological Resources
Appraisal and Gemological Lab

 

 

BARBRA VOLTAIRE'S #1 CHOICES
for GEMOLOGICAL INSTRUMENTS




Magi Labs

 

A quaint Book Shop

GEMOLOGY ONLINE'S BOOK SHOP

Anything purchased in the bookshop earns a small commission for GO.


DIRECT LINKS TO TOPICS OF INTEREST:

-How to Post a Picture on the Forum

-Alphabetical List: Books on Gems, Minerals, Jewelry,
Sterling and Retated Topics including valuation and
appraisal references.

-GEMS 101:Descriptions of Gems

-Chelsea Filter Reactions

-Crystal Systems

-Diamonds: The 4 C's

-Estimating Carat Weight

-DICTIONARY of GEM TERMS

-Identifying Gems w ⁄o Instruments,W.Wm Hanneman, PhD

-LaShawn Bauer's Guide to Jewelry Appraising

-Mohs' Scale of Hardness

-Properties for Gem ID

-Trade Abbreviations and Acronyms

-Treatments & Enhancements

-Synthetic vs. Imitation Gems

-Useful Gemology Links!

 

GEM and MINERAL SHOW LISTS
Upcoming Gem Shows
Mindat's Upcoming Mineral Shows

 

GEMOLOGY ONLINE STAFF:

Administrators:

Barbra Voltaire, BSc, FGG, GG
Gemologist, Geologist, Jewelry Historian
barbra@gemologyonline.com


Alberto Scarani, IGI, GG
Gemologist, Master Goldsmith, Author
alberto@gemologyonline.com

Moderators:

Conny Forsberg, FGA
Diamond cutter, Gemologist, IT Pro
conny@gemologyonline.com


Jon Rolfe
Master Gem Cutter; Lapidary Supplier
jon@gemologyonline.com

Stephen Challener
Geologist
Stephen@gemologyonline.com
Welcome to the GemologyOnline.com Forum
A non-profit Forum for the exchange of gemological ideas
It is currently Fri Sep 22, 2023 6:50 am

View unanswered posts | View active topics


Board index

All times are UTC - 4 hours


View unanswered posts

   Topics   Author   Replies   Views   Last post 
There are no new unread posts for this topic. MANY BOOKS ETC ONLINE FOR FREE FROM Joseph Gill Gemologist

in Collecting Gem & Jewelry Books

gilljoseph1949

0

14747

Tue Nov 30, 2021 2:50 am

gilljoseph1949 View the latest post

There are no new unread posts for this topic. CIBJO CONFERENCE

in Upcoming Shows & Events

Barbra Voltaire, FGG

0

7085

Sun Nov 14, 2021 1:55 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. CIBJO releases Gemmological Special Report

in Colored Stones

Barbra Voltaire, FGG

0

6243

Wed Oct 20, 2021 2:39 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. SF Gem and Mineral Society: Virtual Turquoise Lecture

in Colored Stones

Barbra Voltaire, FGG

0

6398

Thu Oct 14, 2021 3:56 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. My Design Portfolio

in General Discussions

Arami

0

11716

Wed Oct 13, 2021 5:38 pm

Arami View the latest post

There are no new unread posts for this topic. Attachment(s) Justin Prim Makes the Cover of Journal of Gemmology!

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

Barbra Voltaire, FGG

0

12786

Mon Sep 27, 2021 9:40 pm

Barbra Voltaire, FGG View the latest post

There are no new unread posts for this topic. Attachment(s) ASA Releases the 10th Edition of Jewelry Appraisal Handbook

in Appraiser's Corner

Barbra Voltaire, FGG

0

6914

Mon Sep 27, 2021 4:44 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

12197

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

7142

Wed Aug 18, 2021 11:52 pm

arms View the latest post

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

in Research

Barbra Voltaire, FGG

0

13097

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

7918

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

9458

Fri Jun 04, 2021 12:58 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

9096

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

24384

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

12592

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

6269

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

6227

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

6336

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

6159

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

7388

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

7308

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

4305

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

5959

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

3828

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

3227

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

2886

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

7197

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

3858

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

2486

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

2752

Thu Feb 18, 2021 4:05 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

2143

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

2495

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

2484

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

2527

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

5287

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

21277

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

31828

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

6167

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

1803

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

2689

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

14394

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

1728

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

4204

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

1758

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

1905

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

3791

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

18722

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

1708

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

15354

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

5508

Mon Jul 27, 2020 4:09 pm

Barbra Voltaire, FGG View the latest post

Display posts from previous:  Sort by:  
Page 2 of 20 [ Search found more than 1000 matches ]
Go to page Previous  1, 2, 3, 4, 5 ... 20  Next


Board index

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