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Montana Sapphire vs Australian Sapphire — How Do They Differ?
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5
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278
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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
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26
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December 5, 2025
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Diamond inclusion
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0
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91
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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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1519
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November 23, 2025
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Agate valuation
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2
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56
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November 23, 2025
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Question about black moissanite
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4
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232
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November 22, 2025
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Grandidiarite
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4
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109
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November 19, 2025
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Rough alexandrite?
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21
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782
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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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45
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November 19, 2025
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Heavy Duty Diamond Drill Bits for Tough Stones
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2
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59
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November 19, 2025
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Natural sapphire or syntetic?
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41
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1246
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November 19, 2025
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Emerald Colours
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14
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761
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November 17, 2025
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Of this was imperial jadeite what would the value of it be?
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32
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2128
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November 14, 2025
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Best Diamond Cutting Wheel for Germanium?
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1
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71
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November 13, 2025
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Any Recommendations for Diamond Carving Points?
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0
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37
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November 6, 2025
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Recommended Metallography Supplies for Better Sample Prep?
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0
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32
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November 4, 2025
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sapphire with inclusions of mic
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81
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1460
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November 3, 2025
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Moldavite…..excellent fake?
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4
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131
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November 2, 2025
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Promoting Gemstones as a Global Safe Investment
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21
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470
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November 2, 2025
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Pegmatite sample
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2
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56
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November 2, 2025
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Color Changing Star Sapphire
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5
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177
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November 1, 2025
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White Phantom Amethyste under UV/ Reactive Powellite?
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11
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558
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November 1, 2025
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Which Precision Abrasives Work Best for Fine Finishing?
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0
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52
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October 31, 2025
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Mahenge spinel or malaia Mahenge garnet ? how to know?
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2
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153
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October 28, 2025
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Best Diamond Drills for Clean Gemstone Drilling
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0
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57
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October 27, 2025
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Best Precision Saws for Cutting Composite Materials?
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2
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107
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October 22, 2025
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Photography of gemstones
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53
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4297
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October 21, 2025
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Identification old necklace
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13
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423
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October 21, 2025
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Removing scratches from a gemstone?
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9
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1880
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October 21, 2025
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Correct way to get Specific Gravity
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8
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706
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October 21, 2025
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