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Al2O3 Synthetic Ruby Sapphire single Crystal Blue 9.0 hardness2025-02-21 16:28:18 |
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Imperial Blue Sapphire Gem Crystal Artificial Hardness 9.0 Ruby Crystal2025-02-21 16:28:17 |
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Al2O3 Single Crystal Hardness 9.0 Colored Sapphire Lens2025-02-21 16:28:17 |
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Optical Protective Window Synthetic Ruby Al2O3 Single Crystal Material2025-02-21 16:28:17 |
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Wearable Synthetic Ruby Custom Shape Red Titanium Sapphire Laser Crystals2025-02-21 16:28:17 |