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October 31 through November3—SAN DIEGO, CALIFORNIA: Annual show; JOGS Sand Diego Gem & Jewelry Show; San Diego Convention Center, Daily 10-5, Sun. 9-3; Registered Buyers: FREE - General Admission - $20 - Proof of Military: FREE - Children: No Children under 14 will be admitted; JOGS San Diego Gem & Jewelry Trade Show is the leading West Coast gem and jewelry trade event perfectly timed for buyers looking to restock for the busy holiday season.

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

JOIN NOW!

FREE ONLINE GEMOLOGICAL INFO:

Houston's Gemological Resources
Appraisal and Gemological Lab

BARBRA VOLTAIRE'S #1 CHOICES
for GEMOLOGICAL INSTRUMENTS

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