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Sapphire (corundum) | Blue corundum (sapphire) (~5.0 centime… | Flickr
Corundum: The mineral Corundum, Sapphire, Ruby info & pictures
Learn About Sapphire Corundum Crystals & Chemistry
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Slightly Lavender Veiled Sky Blue Sapphire, This Corundum Cushion 7.2x8.5 Mm With Milky Bands Weighs 2.32 Carats and Comes From Ceylon - Etsy UK
