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Pegmatite sample
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2
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49
|
November 2, 2025
|
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Color Changing Star Sapphire
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5
|
158
|
November 1, 2025
|
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White Phantom Amethyste under UV/ Reactive Powellite?
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|
11
|
478
|
November 1, 2025
|
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Which Precision Abrasives Work Best for Fine Finishing?
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0
|
46
|
October 31, 2025
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Mahenge spinel or malaia Mahenge garnet ? how to know?
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|
2
|
121
|
October 28, 2025
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Best Diamond Drills for Clean Gemstone Drilling
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0
|
52
|
October 27, 2025
|
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Best Precision Saws for Cutting Composite Materials?
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|
2
|
96
|
October 22, 2025
|
|
Photography of gemstones
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53
|
4055
|
October 21, 2025
|
|
Identification old necklace
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|
13
|
385
|
October 21, 2025
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Removing scratches from a gemstone?
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9
|
1788
|
October 21, 2025
|
|
Correct way to get Specific Gravity
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|
8
|
606
|
October 21, 2025
|
|
Vessonite garnet
|
|
2
|
156
|
October 19, 2025
|
|
Tell me what u see?
|
|
8
|
321
|
October 19, 2025
|
|
Best Polishing Pads for Metallography - What’s Your Go-To?
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|
1
|
49
|
October 17, 2025
|
|
Diamond Wheel or Boron Nitride (CBN) - Which Performs Better?
|
|
0
|
26
|
October 15, 2025
|
|
Safe place to get a rough gemstone tested
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|
23
|
941
|
October 14, 2025
|
|
What is this material?
|
|
10
|
634
|
October 10, 2025
|
|
I have this rough iolite
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|
2
|
62
|
October 10, 2025
|
|
What’s the best diamond drill for gemstones?
|
|
9
|
120
|
October 10, 2025
|
|
Anyone using ultra-thin diamond blades for gem cutting?
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|
4
|
126
|
October 10, 2025
|
|
Why would anyone spend all the time to facet such small gems?
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|
1
|
138
|
October 4, 2025
|
|
Crabtree Emeralds
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|
7
|
1131
|
October 3, 2025
|
|
Montana Sapphires
|
|
4
|
648
|
October 3, 2025
|
|
Recutting Diamonds and colored stones
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|
3
|
166
|
October 3, 2025
|
|
Membership dues
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|
4
|
1682
|
September 29, 2025
|
|
The most beautiful specimens
|
|
20
|
913
|
September 27, 2025
|
|
Looking for a cutter to recut gemstones in the US
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|
6
|
173
|
September 18, 2025
|
|
Which diamond blade gives the smoothest cut on gemstones?
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|
0
|
68
|
September 16, 2025
|
|
What went wrong in polishing?
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|
2
|
230
|
September 15, 2025
|
|
I can't believe what the IGS did
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|
23
|
1385
|
September 14, 2025
|