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Heat Treating Blue Sapphire
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|
9
|
1453
|
May 30, 2019
|
|
Vayryneite
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|
2
|
687
|
May 28, 2019
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|
Red Garnet -cutting
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|
2
|
1077
|
May 28, 2019
|
|
Rainbow Lattice Sunstone
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|
5
|
4275
|
May 27, 2019
|
|
Donated gems in the Chan Thar Gyi Pagoda Mogok Myanmar
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2
|
1985
|
May 21, 2019
|
|
Sphalerite?
|
|
7
|
1334
|
May 21, 2019
|
|
Simulated stones verse real gems
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|
8
|
1431
|
May 20, 2019
|
|
New Faceting History article about Czech Gemcutting
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|
3
|
1012
|
May 8, 2019
|
|
Price listings
|
|
2
|
1254
|
May 4, 2019
|
|
Gemstone identification
|
|
19
|
3547
|
May 3, 2019
|
|
Diamond prices
|
|
7
|
1156
|
May 3, 2019
|
|
Realgar? What do I do with it?
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|
1
|
998
|
May 3, 2019
|
|
Interesting Stones
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|
2
|
1354
|
May 2, 2019
|
|
Color and saturation grading equipment
|
|
9
|
1353
|
April 30, 2019
|
|
Identify this gem for me, please
|
|
12
|
2329
|
April 30, 2019
|
|
Demantoids - need advice
|
|
0
|
810
|
April 30, 2019
|
|
Afgani Kunzite pendent
|
|
3
|
1048
|
April 19, 2019
|
|
Color change Tourmaline Usambara
|
|
8
|
1587
|
April 17, 2019
|
|
Grading Gem Carvings Article
|
|
0
|
877
|
April 13, 2019
|
|
Laser Drilled Diamonds
|
|
3
|
977
|
April 5, 2019
|
|
Identify gemstones
|
|
4
|
1682
|
April 5, 2019
|
|
"no name" refractometer
|
|
10
|
1414
|
April 1, 2019
|
|
I started a new show called World of Faceting Machines
|
|
1
|
893
|
March 31, 2019
|
|
5.5 carat Emerald dilemma
|
|
28
|
2684
|
March 31, 2019
|
|
Mineral, Crystal or Glass
|
|
6
|
2402
|
March 25, 2019
|
|
IGS Practical Exam
|
|
4
|
1631
|
March 24, 2019
|
|
Black Opal? Mounted in freeform mount by MOGES
|
|
10
|
1844
|
March 17, 2019
|
|
Price Guide Is Way Above Market Prices
|
|
18
|
3713
|
March 10, 2019
|
|
Gem faceting course
|
|
3
|
1067
|
March 10, 2019
|
|
Pezzottaite any info out there?
|
|
7
|
1382
|
March 9, 2019
|