PLEASE KEEP ALL POSTED PICTURES, DIAGRAMS, etc. TO A MAX OF 600px. Larger graphics distort our pages. Thanks!
Welcome to the GemologyOnline.com Forum
A non-profit Forum for the exchange of gemological ideas
It is currently Fri Feb 23, 2018 12:13 pm

All times are UTC - 4 hours


View unanswered posts

   Topics   Author   Replies   Views   Last post 
There are no new unread posts for this topic. Testing a tourmaline with 1 wt. percent lead, Achroite.

in Research

bruce_tourm

0

8

Fri Feb 23, 2018 12:52 am

bruce_tourm View the latest post

There are no new unread posts for this topic. Graves Mk V head died?

in Lapidary Corner: Colored Stones

gsellis

0

38

Thu Feb 22, 2018 11:40 pm

gsellis View the latest post

There are no new unread posts for this topic. Artificial Resin in Rubies

in SSEF: Swiss Gemmological Institute

Barbra Voltaire

0

64

Tue Feb 20, 2018 1:25 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Green Labradorite

in Synthetics and Treatments

Barbra Voltaire

0

68

Mon Feb 19, 2018 6:50 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. 1.81 RI Liquid

in Gem Equipment

Barbra Voltaire

0

85

Sat Feb 17, 2018 10:40 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Organizations Release Diamond Terminology Guidelines

in Diamonds

Barbra Voltaire

0

88

Tue Feb 06, 2018 10:51 am

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Attachment(s) Unknown mineral specimen

in CSI: Colored Stone Identification

dustyfeet

0

110

Thu Feb 01, 2018 6:42 am

dustyfeet View the latest post

There are no new unread posts for this topic. alaska scenery shots

in *Meandering Footnotes

wilsonintexas

0

109

Sat Jan 27, 2018 11:54 pm

wilsonintexas View the latest post

There are no new unread posts for this topic. Alan Revere hosts a class in Mendocino

in Upcoming Shows & Events

Barbra Voltaire

0

165

Mon Jan 15, 2018 9:58 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. 2018 Tucson Jewelry Appraisal Forum

in Appraiser's Corner

melhuth

0

163

Tue Jan 09, 2018 1:59 pm

melhuth View the latest post

There are no new unread posts for this topic. Attachment(s) Hartridge Reversion Spectroscope

in Miscellaneous Scientific Instruments

slscanada

0

194

Mon Jan 08, 2018 3:44 am

slscanada View the latest post

There are no new unread posts for this topic. Last Chance for Genuine Diamond Master Sets

in Appraiser's Corner

Barbra Voltaire

0

149

Fri Jan 05, 2018 9:06 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. A Tale of Two Tourmalines.

in Research

bruce_tourm

0

204

Sun Dec 31, 2017 10:36 pm

bruce_tourm View the latest post

There are no new unread posts for this topic. MasterValuer 2018

in Appraiser's Corner

melhuth

0

157

Sat Dec 30, 2017 11:03 pm

melhuth View the latest post

There are no new unread posts for this topic. video camera attachment or video camera for GEMZ-8TR

in Gem Equipment

Lucy-

0

205

Tue Dec 19, 2017 4:16 am

Lucy- View the latest post

There are no new unread posts for this topic. Franklin Faceters Frolic 11

in Upcoming Shows & Events

Morpheus

0

208

Thu Dec 14, 2017 12:18 pm

Morpheus View the latest post

There are no new unread posts for this topic. Attachment(s) Graves Mountain $40,000 mineral heist-SOLVED

in SCAMS: Gem, Jewelry and related

Jason Barrett

0

291

Thu Nov 30, 2017 2:21 am

Jason Barrett View the latest post

There are no new unread posts for this topic. USPAP 2018 Edition Starts January 1st -

in Appraiser's Corner

LaShawn

0

192

Tue Nov 28, 2017 10:55 am

LaShawn View the latest post

There are no new unread posts for this topic. Gemology NYC

in GIA (Gemological Institute of America)

offthepeoniesplease

0

204

Sat Nov 25, 2017 11:38 pm

offthepeoniesplease View the latest post

There are no new unread posts for this topic. Mallorca Gemquest

in Upcoming Shows & Events

Barbra Voltaire

0

227

Tue Nov 21, 2017 1:14 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Wild/Leica Question

in Gem Equipment

Gemse

0

254

Sat Nov 18, 2017 6:01 pm

Gemse View the latest post

There are no new unread posts for this topic. Gemmology Today Now Available Online!

in World Gem Foundation

Barbra Voltaire

0

303

Thu Nov 16, 2017 5:48 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. "Rubies from Cambodia and Thailand"

in GIA Current Research

Barbra Voltaire

0

373

Sat Nov 11, 2017 5:30 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Interesting SEM of gems

in Stone and Inclusion Photos

norman

0

233

Fri Nov 10, 2017 8:09 pm

norman View the latest post

There are no new unread posts for this topic. Interesting SEM images of gems at physicsforum

in Photography & Photomicrography

norman

0

276

Fri Nov 10, 2017 8:08 pm

norman View the latest post

There are no new unread posts for this topic. Photoluminescence Spectra of Emeralds by Brian Thompson

in Research

Barbra Voltaire

0

235

Thu Nov 09, 2017 12:55 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Part time job in gemology in france

in Employment Opportunities

Nil7756

0

363

Sat Nov 04, 2017 4:49 pm

Nil7756 View the latest post

There are no new unread posts for this topic. New Articles Posted

in Appraiser's Corner

LaShawn

0

385

Thu Nov 02, 2017 8:56 pm

LaShawn View the latest post

There are no new unread posts for this topic. Just bought Mawe's diamond and precious stones 2nd edition 1

in Collecting Gem & Jewelry Books

Richard W. Wise

0

298

Fri Oct 27, 2017 2:34 pm

Richard W. Wise View the latest post

There are no new unread posts for this topic. Munich Show 27.10.-29.10.

in Upcoming Shows & Events

arglthesheep

0

280

Fri Oct 20, 2017 8:22 am

arglthesheep View the latest post

There are no new unread posts for this topic. Rivista Italiana di Gemmologia #2: English - September 2017

in Gemological Articles

Barbra Voltaire

0

327

Mon Oct 16, 2017 11:54 am

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Looking for faceting contacts in Europe

in Lapidary Corner: Colored Stones

justinkprim

0

327

Mon Oct 16, 2017 7:51 am

justinkprim View the latest post

There are no new unread posts for this topic. Dating Georgian to early Victorian Findings

in Vintage & Antique Gemstones, Jewellery and Obects D'Art

Barbra Voltaire

0

262

Fri Oct 13, 2017 9:36 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Sinkankas

in Collecting Gem & Jewelry Books

Richard W. Wise

0

282

Thu Oct 12, 2017 10:22 am

Richard W. Wise View the latest post

There are no new unread posts for this topic. Sotheby Auction Results: MAGNIFICENT JEWELS & JADEITE

in Appraiser's Corner

Barbra Voltaire

0

307

Fri Oct 06, 2017 9:03 am

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Spectroscopy article from RIG

in Gemological Articles

Alberto

0

300

Tue Oct 03, 2017 3:07 am

Alberto View the latest post

There are no new unread posts for this topic. When did the Facetron SCM come out

in Lapidary Corner: Colored Stones

justinkprim

0

349

Mon Oct 02, 2017 10:40 pm

justinkprim View the latest post

There are no new unread posts for this topic. Room design help

in Lapidary Corner: Colored Stones

BandMan

0

351

Sun Oct 01, 2017 10:23 pm

BandMan View the latest post

There are no new unread posts for this topic. Namibian Sapphire

in Miner's Corner

Seaglow

0

380

Thu Sep 28, 2017 10:13 am

Seaglow View the latest post

There are no new unread posts for this topic. The Unexpected Origins of Big Diamonds

in Diamonds

Barbra Voltaire

0

365

Thu Sep 21, 2017 2:59 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. The Latest on Synthetic Diamonds

in Diamonds

Barbra Voltaire

0

346

Thu Sep 21, 2017 2:44 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Facebook groups

in Virtual Marketplace

gian92

0

377

Sat Sep 09, 2017 9:31 am

gian92 View the latest post

There are no new unread posts for this topic. Faceting gathering in Denver?

in Lapidary Corner: Colored Stones

justinkprim

0

311

Sat Sep 02, 2017 10:38 pm

justinkprim View the latest post

There are no new unread posts for this topic. Imahashi Clone source

in Lapidary Corner: Colored Stones

justinkprim

0

373

Thu Aug 31, 2017 12:58 pm

justinkprim View the latest post

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

in Collector's Corner: Gems

MADADIDIERITE

0

360

Mon Aug 28, 2017 7:39 am

MADADIDIERITE View the latest post

There are no new unread posts for this topic. Bangkok City of Gem Schools

in GIA (Gemological Institute of America)

justinkprim

0

392

Fri Aug 25, 2017 1:59 am

justinkprim View the latest post

There are no new unread posts for this topic. World of Gems Conference V will be held on September 23 -24

in Upcoming Shows & Events

Barbra Voltaire

0

360

Thu Aug 24, 2017 10:34 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Article comparing top 3 Gemology schools in Bangkok (includi

in AIGS (Asian Institute of Gemological Sciences)

justinkprim

0

369

Thu Aug 24, 2017 9:32 pm

justinkprim View the latest post

There are no new unread posts for this topic. Wanted: (Harts Range/Aussie) Zircon oval 8 x 11mm

in Virtual Marketplace

Tim

0

367

Sun Aug 13, 2017 11:33 am

Tim View the latest post

There are no new unread posts for this topic. Duke of Devonshire Emerald

in Other topics related to Gemology

stonemania

0

399

Sun Aug 06, 2017 6:51 am

stonemania 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