How to Check Synthetic Ruby Under a Microscope - Curved Striae, Gas Bubbles, and Quench Crackled
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20:45
How to tell if Ruby is Real or Fake 🤔 DIY Ultimate Tutorial 😁 Easy Gem Test 💎
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13:10
How to Check Blue Sapphire Beryllium Diffusion Treatment using Water Immersion Technique
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7:01
How much and what type of inclusions does a 3-carat Unheated Pigeon Blood Mozambique Ruby have?
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11:46
How do you KNOW what a gem is? [Refractometer Tutorial]
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5:28
How to Classify a Lead Glass–Filled Ruby by GIA
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18:54
How much does a one carat ruby cost? - Comprehensive Guide discussing 4Cs plus Origin & Treatment
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7:43
🔬 Upgrading a microscope to darkfield | Amateur Microscopy
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8:11