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What Causes the Violetish-Blue Color in Natural Sapphire?

Understanding9 min read

What Causes the Violetish-Blue Color in Natural Sapphire?

Blue sapphire gets its blue from iron-titanium pairs, and its violet edge from small amounts of chromium and vanadium. This covers the chemistry, the optics, and how to judge a violetish-blue Ceylon stone before you buy.

First Look at New Ceylon Sapphires

New stones and guides, straight from the source. Written rarely, and only when there is something worth saying.

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