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Geology, Palaeontology & Archaeology / Re: Can you please help me identify these?
« on: 27/10/2015 19:03:50 »... Lastly, just for fun...I purchased this "pearl" at a flea market in the Florida Keys, the woman said it was a natural pearl but is this shape even possible to occur naturally?
I'd never seen cross-shaped pearls, but apparently they do exist but the trade-price is less than a dollar each ... http://www.aliexpress.com/item/20x35-32x43mm-Natural-Freshwater-Pearl-Cross-shape-Loose-Beads-14-5-Min-Order-is-10-we/32286394074.html
The nucleus for those pearls must be a couple of sticks, rather than a stone.
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