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Understanding CBN vs Diamond for Hard-Material Machining
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2
|
113
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December 10, 2025
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Montana Sapphire vs Australian Sapphire — How Do They Differ?
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5
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443
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December 5, 2025
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Understanding Metal Bond Diamond Cut Off Blades for Precision Cutting
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0
|
30
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December 5, 2025
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Diamond inclusion
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0
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102
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November 24, 2025
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Gem cutter in Chanthaburi (Thailand)
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4
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1552
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November 23, 2025
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Agate valuation
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2
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83
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November 23, 2025
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Question about black moissanite
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4
|
260
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November 22, 2025
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Grandidiarite
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4
|
153
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November 19, 2025
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Rough alexandrite?
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21
|
908
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November 19, 2025
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Technical Insights on Diamond Separation Blades
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0
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54
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November 19, 2025
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Heavy Duty Diamond Drill Bits for Tough Stones
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2
|
98
|
November 19, 2025
|
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Natural sapphire or syntetic?
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|
41
|
1590
|
November 19, 2025
|
|
Emerald Colours
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14
|
827
|
November 17, 2025
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Of this was imperial jadeite what would the value of it be?
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32
|
2486
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November 14, 2025
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Best Diamond Cutting Wheel for Germanium?
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1
|
85
|
November 13, 2025
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Any Recommendations for Diamond Carving Points?
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0
|
50
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November 6, 2025
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Recommended Metallography Supplies for Better Sample Prep?
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0
|
36
|
November 4, 2025
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Moldavite…..excellent fake?
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4
|
194
|
November 2, 2025
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Promoting Gemstones as a Global Safe Investment
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21
|
563
|
November 2, 2025
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Pegmatite sample
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2
|
161
|
November 2, 2025
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Color Changing Star Sapphire
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5
|
249
|
November 1, 2025
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White Phantom Amethyste under UV/ Reactive Powellite?
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|
11
|
689
|
November 1, 2025
|
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Mahenge spinel or malaia Mahenge garnet ? how to know?
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2
|
206
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October 28, 2025
|
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Best Diamond Drills for Clean Gemstone Drilling
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0
|
69
|
October 27, 2025
|
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Best Precision Saws for Cutting Composite Materials?
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2
|
144
|
October 22, 2025
|
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Photography of gemstones
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53
|
4560
|
October 21, 2025
|
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Identification old necklace
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|
13
|
496
|
October 21, 2025
|
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Removing scratches from a gemstone?
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9
|
2055
|
October 21, 2025
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Correct way to get Specific Gravity
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8
|
988
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October 21, 2025
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Vessonite garnet
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2
|
185
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October 19, 2025
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