URAL MINERALOGICAL FESTIVAL, July 3 to 21, 2019, in Yekaterinburg City, Ural region, Russia
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There are no new unread posts for this topic. Gem-A Presents Live and In Person: Justin Prim

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

Barbra Voltaire

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44

Fri Jun 14, 2019 7:45 pm

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There are no new unread posts for this topic. Free Gemmological Webinars

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

Barbra Voltaire

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Fri Jun 14, 2019 7:39 pm

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There are no new unread posts for this topic. Colour-shifting demantoid garnets from Afghanistan

in Colored Stones

Nick_G

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119

Sat Jun 08, 2019 3:52 am

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There are no new unread posts for this topic. Thoughts on tourmaline's dynamic response to light.

in Gems' Color

bruce_tourm

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96

Fri Jun 07, 2019 2:13 pm

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There are no new unread posts for this topic. Dinosaur Bones Replaced With Opal: Australia

in Fossils, Minerals & Curiosities

Barbra Voltaire

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124

Tue Jun 04, 2019 11:39 am

Barbra Voltaire View the latest post

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in Synthetics and Treatments

gembug

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157

Mon Jun 03, 2019 5:33 pm

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There are no new unread posts for this topic. How to check the light performance of a gemstone?

in Beginners Only!

VanGem

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57

Fri May 31, 2019 6:37 pm

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There are no new unread posts for this topic. Scientists Discover Fungus That Collects Gold

in Fossils, Minerals & Curiosities

Barbra Voltaire

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159

Tue May 28, 2019 8:14 pm

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There are no new unread posts for this topic. Attachment(s) Turkish Diaspore Inclusions

in Stone and Inclusion Photos

offimatrix

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124

Tue May 28, 2019 2:51 pm

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There are no new unread posts for this topic. A tale of two tourmalines poles apart.

in Colored Stones

bruce_tourm

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104

Mon May 27, 2019 5:16 pm

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There are no new unread posts for this topic. Attachment(s) Tenebrescent Scapolite from Afghanistan

in Colored Stones

offimatrix

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156

Thu May 23, 2019 5:46 pm

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

in Colored Stones

offimatrix

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164

Tue May 21, 2019 4:24 pm

offimatrix View the latest post

There are no new unread posts for this topic. Attachment(s) Blue john stone

in Colored Stones

offimatrix

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173

Tue May 21, 2019 4:08 pm

offimatrix View the latest post

There are no new unread posts for this topic. LA-ICP-MS: New Method for Determining Gem Tourmaline Species

in Colored Stones

Barbra Voltaire

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161

Tue May 21, 2019 12:21 pm

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There are no new unread posts for this topic. A little overlooked gem: the Jewelscope by Bittco

in Gem Equipment

Stephen Challener

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137

Sat May 18, 2019 10:24 pm

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There are no new unread posts for this topic. I started making faceting tshirts

in Lapidary Corner: Colored Stones

justinkprim

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152

Fri May 10, 2019 4:59 am

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

Barbra Voltaire

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224

Thu May 09, 2019 12:59 pm

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

Barbra Voltaire

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319

Thu May 09, 2019 12:41 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Really, really dumb question

in Beginners Only!

Shifter55

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134

Sun May 05, 2019 5:05 am

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There are no new unread posts for this topic. Gems Mining Map - Sri Lanka and Madagascar

in Miner's Corner

ceylongems

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240

Mon Apr 29, 2019 8:49 am

ceylongems View the latest post

There are no new unread posts for this topic. US@Gems

in Lapidary Corner: Colored Stones

pietra

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208

Mon Apr 29, 2019 4:20 am

pietra View the latest post

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

in General Discussions

Barbra Voltaire

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728

Sat Apr 20, 2019 2:54 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Attachment(s) Jade Carving Value

in Appraiser's Corner

rwx

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199

Sat Apr 20, 2019 11:18 am

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in Lapidary Corner: Colored Stones

Bob Hodges

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194

Thu Apr 11, 2019 8:35 pm

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There are no new unread posts for this topic. Lotus Gemology Expands their Repitoire

in Lotus Gemology

Barbra Voltaire

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716

Wed Apr 10, 2019 12:36 pm

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in Gemological Articles

Barbra Voltaire

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664

Tue Apr 09, 2019 1:53 pm

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There are no new unread posts for this topic. Gem Abstracts from the Swiss Geoscience Meeting

in Gemological Articles

Barbra Voltaire

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247

Tue Apr 09, 2019 1:04 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. The gem has IT, (It is not focused on tourmaline!)

in Collector's Corner: Gems

bruce_tourm

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812

Sun Apr 07, 2019 11:57 am

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There are no new unread posts for this topic. Attachment(s) Help to indentify

in Beginners Only!

Lisen

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108

Sun Mar 31, 2019 1:15 pm

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in Collecting Gem & Jewelry Books

justinkprim

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122

Fri Mar 29, 2019 2:07 pm

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in Lotus Gemology

justinkprim

0

361

Fri Mar 29, 2019 2:04 pm

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There are no new unread posts for this topic. Paraiba tourmaline a semi precious gemstone!

in Collector's Corner: Gems

bruce_tourm

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928

Tue Mar 26, 2019 2:40 pm

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There are no new unread posts for this topic. GIA Advanced Synthetic Diamond Seminar

in Diamonds

Barbra Voltaire

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596

Thu Mar 21, 2019 7:15 pm

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There are no new unread posts for this topic. Pleochroism and cutting

in Gems' Color

Isi

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754

Mon Mar 18, 2019 6:18 am

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There are no new unread posts for this topic. Sotheby’s Magnificent Jewels – Geneva

in Appraiser's Corner

Barbra Voltaire

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118

Wed Mar 13, 2019 5:32 pm

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There are no new unread posts for this topic. Seeking cutter for large cuprite

in Lapidary Corner: Colored Stones

norman

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168

Fri Mar 08, 2019 9:13 pm

norman View the latest post

There are no new unread posts for this topic. Any cutter in Leeds?? Cutting or cabbing.

in Lapidary Corner: Colored Stones

Antonis333

0

169

Wed Feb 27, 2019 5:55 pm

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There are no new unread posts for this topic. Squeezing Sapphire: The Heat+ Pressure Treatment of Sapphire

in Lotus Gemology

Barbra Voltaire

0

234

Wed Feb 27, 2019 1:46 pm

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There are no new unread posts for this topic. Non cuprian blue/purple tourmaline. Why is it rare?

in Research

bruce_tourm

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624

Wed Feb 27, 2019 12:58 pm

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There are no new unread posts for this topic. The story of a stone.

in Colored Stones

bruce_tourm

0

160

Tue Feb 26, 2019 3:14 pm

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There are no new unread posts for this topic. Marco Campos-Venuti: Banded Agates a genetic approach

in Collecting Gem & Jewelry Books

Barbra Voltaire

0

284

Mon Feb 25, 2019 10:08 pm

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There are no new unread posts for this topic. UPDATE: SSEF launches GemTrack™

in SSEF: Swiss Gemmological Institute

Barbra Voltaire

0

1029

Mon Feb 25, 2019 9:57 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Attachment(s) Agates from Argentina. SOUTHWEST REGION : Crater agate

in Miner's Corner

condoragatemines

0

134

Sat Feb 23, 2019 7:15 pm

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There are no new unread posts for this topic. Attachment(s) Agates from Argentina. SOUTHWEST REGION : Patagonian agate

in Miner's Corner

condoragatemines

0

161

Sat Feb 23, 2019 6:34 pm

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There are no new unread posts for this topic. GIA GEM diamond lite

in Gem Equipment

brandonGIAGG

0

122

Thu Feb 21, 2019 12:21 am

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There are no new unread posts for this topic. Attachment(s) Agates from Argentina. MID-WEST REGION: Condor agate

in Miner's Corner

condoragatemines

0

196

Wed Feb 20, 2019 10:03 pm

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There are no new unread posts for this topic. Attachment(s) Agates from Argentina.

in Miner's Corner

condoragatemines

0

109

Sun Feb 17, 2019 3:01 pm

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There are no new unread posts for this topic. GWLab

in GWLAB

Barbra Voltaire

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324

Sat Feb 16, 2019 7:59 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Surprises looking at tourmaline with a spectrometer.

in Colored Stones

bruce_tourm

0

315

Thu Feb 14, 2019 12:24 am

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There are no new unread posts for this topic. Question about the website Mineralminers

in Virtual Marketplace

Isi

0

636

Tue Feb 12, 2019 12:33 pm

Isi View the latest post

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