Wednesday, 6 January 2016

What science can tell us about the 'world's largest sapphire'

What science can tell us about the 'world's largest sapphire'

The world's biggest known sapphire was formed and shaped by natural processes millions of years ago.
Read more: http://snapzu.com/kxh/what-science-can-tell-us-about-the-worlds-largest-sapphire

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