Intricately Carved Gemstone Found in Ancient Warrior's Tomb

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The Greek sealstones small size, along with the veining on the stone, meant that many of the tiny details could be seen only using photomicroscopy. http://ift.tt/2CZKGez

What I find interesting is the implication optics of some type were used to scribe such minute detail.

via International Skeptics Forum http://ift.tt/2BSSaB2