Mysterious blue pigment in medieval woman's teeth gives scientists 'bombshell' clue
A huge discovery for scientists, who found blue flecks in the bones from a medieval woman's jaw. They were able to identify the blue particles as lapis lazuli — a deep blue, semi-precious rock that was highly prized at the time for its symbolization of royalty and godliness.
via FOX NEWS http://bit.ly/2D2B4mb
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