Diamond Buzz on Instagram: "SAPPHIRE COLOURS When corundum takes on a colour other than red, the gemstone is typically classified as sapphire, meaning there are many colour varieties in sapphires. While the “official” colour of this gemstone is blue, the other colours such as pink, purple, green, orange and yellow are sometimes referred to as “fancy sapphires”. However, this term does not apply to the colourless, black and blue specimens. When iron is present in the chemical composition, the…

This gemstone could easily be mistaken for a blue sapphire but in fact it is one of the most intensely coloured blue diamonds ever found. Small in stature at .51cts but big on colour it was originally featured in Harvey Harris' Fancy Color Diamonds (released in 1994) photography by Tino Hammid.

Sapphire blue crystals on matrix | ©Webshop for mineral collectors Eifel, Rhineland-Palatinate, Germany. Sapphire is a blue gem variety of Corundum (an aluminum oxide), but other colored varieties of...

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Because Apple sells more than 150 million iPhones a year with a sprawling network of suppliers making components, its ability to maintain such a wide cone of silence has become near-impossible. Apple has been mum but it appears that the upcoming iPhone will switch to sapphire screen coating instead of [...]

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