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![The Mysterious Purple Stone More Expensive Than Gold](http://dsfantiquejewelry.com/cdn/shop/articles/Purple_stone.jpg?v=1715116161&width=902)
Purple Stone
The Mysterious Purple Stone More Expensive Than Gold
Archaeologists and volunteers excavating an ancient Roman site in Britain have discovered a mysterious purple stone. It turned out to be an incredibly rare substance that once "was worth more than ...
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