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Sapphire Crystals | Al2O3 Crystal Materials | Al2O3 Single Crystals | Al2O3 Infrared Crystals - AEM Deposition
![Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide Al2O3 with trace amo… | Precious gemstones, Gemstones, Crystals Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide Al2O3 with trace amo… | Precious gemstones, Gemstones, Crystals](https://i.pinimg.com/originals/52/fa/f1/52faf10ae802de88e79a41f6bc7a4d6a.jpg)
Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide Al2O3 with trace amo… | Precious gemstones, Gemstones, Crystals
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