19 March 2012


 A little clam shell...

Foot for scale

Apparently, these animals make pearls too.
But they are not pretty!
The Pearl of Lao Tzu is a very big example, it is not a nacreous (silvery and irridescent) pearl- they call it porcelaneous I think- so it looks like a blob of pizza dough, or a an alien brain.
Take it away!

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