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My new Gemcutting book is now available
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2
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1333
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May 30, 2026
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Help with sourcing bundles of mixed gems for student practice
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4
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173
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May 29, 2026
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Origin and treatment of a star sapphire
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2
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201
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May 25, 2026
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Introducing Rathna Legacy Gems from Sri Lanka 🇱🇰
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2
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89
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May 24, 2026
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Diamond Router Bits for Precision Profiling
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0
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44
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May 14, 2026
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Ruby Natural vs Lab
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20
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747
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May 12, 2026
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Are Semi precious gems worthless
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11
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623
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May 12, 2026
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Synthetic corundum being a tanzanite.?
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2
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366
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April 9, 2026
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Recommendation for EDXRF spectrometer
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4
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227
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April 5, 2026
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Gemstones from Sri Lanka – Custom Sourcing Available
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5
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255
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April 2, 2026
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Diamond Plated Tools — When and Why to Use Them?
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0
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71
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April 2, 2026
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rough diamond -price list
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2
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1007
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March 31, 2026
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Diamond Lapidary Blades for Clean Stone Cutting
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0
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82
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March 11, 2026
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Diamond Concrete Drilling for Precise Holes
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1
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89
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March 7, 2026
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Sintered Diamond Drill for Tough Materials - What Works Best?
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0
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99
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February 26, 2026
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Super 7 Quartz?
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6
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538
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February 21, 2026
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Diamond vs CBN - When Each Tool Excels
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0
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65
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February 19, 2026
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Inclusions natural or synthetic
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11
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374
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February 15, 2026
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Colored Gemstones
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28
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694
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February 11, 2026
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Introduction and Help with Refractometer
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27
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736
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February 11, 2026
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Best Diamond Drill for Agate — Tips & Recommendations?
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0
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100
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February 11, 2026
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CVD Diamond Tools - When and Why to Use Them
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0
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71
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February 7, 2026
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Colour change Alexandrite
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1
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142
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February 2, 2026
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Using Diamond Suspensions for Precision Finishing
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1
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109
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February 1, 2026
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Colour Change Zircons?
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12
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509
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January 26, 2026
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Meteorite type? Is it worth getting certified?
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25
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1794
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January 25, 2026
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Best Polishing Pads for Sample Preparation?
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0
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46
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January 23, 2026
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Choosing the Right Lapidary Blade for Clean, Chip-Free Cuts
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0
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80
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January 22, 2026
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Is there value to Native built jewelry with faux stones?
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1
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63
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January 21, 2026
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Experiences with Resin Bond Diamond Tools?
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8
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176
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January 16, 2026
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