Located on the southern end of the Danish island of Bornholm, these stones are flat pieces of shale featuring intricately drawn Sun motifs. Scholars now speculate that these stones might have been ...
A diamond unearthed in a diamond mine in Botswana is just such a stone. It's riddled with flaws containing traces of ringwoodite, ferropericlase, enstatite, and other minerals that suggest the diamond ...
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