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

in Gems' Color

Isi

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40

Mon Mar 18, 2019 6:18 am

Isi View the latest post

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

in Appraiser's Corner

Barbra Voltaire

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66

Wed Mar 13, 2019 5:32 pm

Barbra Voltaire View the latest post

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

in Lapidary Corner: Colored Stones

norman

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98

Fri Mar 08, 2019 9:13 pm

norman View the latest post

There are no new unread posts for this topic. Good Books for Jewelery Making Overview

in Jeweler's Bench

Durnik

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106

Fri Mar 08, 2019 9:03 pm

Durnik View the latest post

There are no new unread posts for this topic. NC - Raleigh Faceters Guild - Facetron Donation - Home Found

in Lapidary Corner: Colored Stones

Durnik

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81

Fri Mar 08, 2019 7:57 pm

Durnik View the latest post

There are no new unread posts for this topic. Hello from Sri Lanka

in Welcoming Messages

rathna

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187

Wed Feb 27, 2019 10:29 pm

rathna 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

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98

Wed Feb 27, 2019 5:55 pm

Antonis333 View the latest post

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

in Lotus Gemology

Barbra Voltaire

0

156

Wed Feb 27, 2019 1:46 pm

Barbra Voltaire View the latest post

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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127

Wed Feb 27, 2019 12:58 pm

bruce_tourm View the latest post

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

in Colored Stones

bruce_tourm

0

128

Tue Feb 26, 2019 3:14 pm

bruce_tourm View the latest post

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

156

Mon Feb 25, 2019 10:08 pm

Barbra Voltaire View the latest post

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

in SSEF: Swiss Gemmological Institute

Barbra Voltaire

0

173

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

97

Sat Feb 23, 2019 7:15 pm

condoragatemines View the latest post

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

in Miner's Corner

condoragatemines

0

122

Sat Feb 23, 2019 6:34 pm

condoragatemines View the latest post

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in Gem Equipment

brandonGIAGG

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74

Thu Feb 21, 2019 12:21 am

brandonGIAGG View the latest post

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

158

Wed Feb 20, 2019 10:03 pm

condoragatemines View the latest post

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

in Miner's Corner

condoragatemines

0

63

Sun Feb 17, 2019 3:01 pm

condoragatemines View the latest post

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in GWLAB

Barbra Voltaire

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37

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

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273

Thu Feb 14, 2019 12:24 am

bruce_tourm View the latest post

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in Virtual Marketplace

Isi

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280

Tue Feb 12, 2019 12:33 pm

Isi View the latest post

There are no new unread posts for this topic. Where Should I Start?

in Beginners Only!

LucasGems

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83

Thu Feb 07, 2019 6:49 pm

LucasGems View the latest post

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in Collecting Gem & Jewelry Books

Richard W. Wise

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123

Thu Jan 31, 2019 10:11 am

Richard W. Wise View the latest post

There are no new unread posts for this topic. A yellow color center in Paraiba tourmaline?

in Colored Stones

bruce_tourm

0

97

Thu Jan 31, 2019 12:24 am

bruce_tourm View the latest post

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in TUCSON GEM SHOW 2019 SPECIAL SECTION

Barbra Voltaire

0

154

Sat Jan 19, 2019 12:15 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. How much should natural untreated white sapphire cost?

in Virtual Marketplace

liawn2109

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201

Tue Jan 15, 2019 2:52 am

liawn2109 View the latest post

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

in General Discussions

Barbra Voltaire

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860

Sun Jan 13, 2019 11:42 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Changing Ball-Bearing on the left side of DP Pixie

in Lapidary Corner: Colored Stones

Turquoise-1977

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100

Sun Jan 13, 2019 6:00 pm

Turquoise-1977 View the latest post

There are no new unread posts for this topic. Attachment(s) More help with identifying

in Beginners Only!

angeleanne

0

65

Fri Jan 11, 2019 1:14 pm

angeleanne View the latest post

There are no new unread posts for this topic. Paraiba, cuprian, paraiba type, confusion about color.

in Colored Stones

bruce_tourm

0

101

Wed Jan 02, 2019 11:44 pm

bruce_tourm View the latest post

There are no new unread posts for this topic. Attachment(s) RUBY FOR SELL

in Glass, Slag and Wannabes

Faran

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120

Wed Jan 02, 2019 12:41 pm

Faran View the latest post

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in Gem Equipment

Jan Asplund

0

171

Sun Dec 30, 2018 5:29 pm

Jan Asplund View the latest post

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

in Colored Stones

tahitiangirl

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221

Sun Dec 23, 2018 12:45 pm

tahitiangirl View the latest post

There are no new unread posts for this topic. A Christmas wish, researching tourmaline color.

in Research

bruce_tourm

0

420

Thu Dec 20, 2018 2:05 pm

bruce_tourm View the latest post

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in Other topics related to Gemology

Barbra Voltaire

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312

Mon Dec 17, 2018 8:15 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. DNA FINGERPRINTING OF PEARLS, CORALS, IVORY

in SSEF: Swiss Gemmological Institute

Barbra Voltaire

0

602

Mon Dec 17, 2018 2:01 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. TRACEABILITY OF GEMSTONES

in SSEF: Swiss Gemmological Institute

Barbra Voltaire

0

285

Mon Dec 17, 2018 1:53 pm

Barbra Voltaire View the latest post

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in Appraiser's Corner

Barbra Voltaire

0

695

Thu Dec 13, 2018 2:37 pm

Barbra Voltaire View the latest post

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in Upcoming Shows & Events

Barbra Voltaire

0

755

Tue Dec 04, 2018 3:20 pm

Barbra Voltaire View the latest post

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

in Collecting Gem & Jewelry Books

Nicky Newark

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381

Fri Nov 30, 2018 1:29 pm

Nicky Newark View the latest post

There are no new unread posts for this topic. Fun...

in General Discussions

cascaillou

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1392

Mon Nov 26, 2018 1:44 pm

cascaillou View the latest post

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in Lapidary Corner: Colored Stones

capcuadrate

0

180

Sat Nov 24, 2018 2:51 pm

capcuadrate View the latest post

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in Colored Stones

Barbra Voltaire

0

176

Thu Nov 15, 2018 7:00 pm

Barbra Voltaire View the latest post

There are no new unread posts for this topic. Does anyone have experience w/ the EOS Gemchrom Colorimeter?

in Appraiser's Corner

mhisakawa

0

176

Sun Nov 11, 2018 2:18 am

mhisakawa View the latest post

There are no new unread posts for this topic. G.O. Cutter

in Lapidary Corner: Colored Stones

Nicky Newark

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353

Thu Oct 25, 2018 2:38 pm

Nicky Newark View the latest post

There are no new unread posts for this topic. Munichshow

in Upcoming Shows & Events

arglthesheep

0

354

Fri Oct 19, 2018 1:36 am

arglthesheep View the latest post

There are no new unread posts for this topic. Attachment(s) Need Help with ID. Cluster of some kind of Gem/Mineral

in CSI: Colored Stone Identification

Jinxy

0

194

Mon Oct 15, 2018 12:36 pm

Jinxy View the latest post

There are no new unread posts for this topic. does any lab provide turquoise origin report?

in Appraiser's Corner

roshanravan

0

244

Sat Oct 13, 2018 7:35 pm

roshanravan View the latest post

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in Colored Stones

raeghan.s

0

486

Fri Oct 12, 2018 10:43 pm

raeghan.s View the latest post

There are no new unread posts for this topic. Attachment(s) Any way to tell if this is lab created or natural?

in CSI: Colored Stone Identification

Jcbyhr

0

210

Mon Oct 01, 2018 9:42 pm

Jcbyhr View the latest post

There are no new unread posts for this topic. question on options for old twistor

in Lapidary Corner: Colored Stones

wilsonintexas

0

207

Mon Sep 24, 2018 10:09 pm

wilsonintexas View the latest post

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