Rock formation that looks like Cookie Monster could fetch $10,000
https://www.sfgate.com/cnet/article/Rock-formation-that-looks-like-Cookie-Monster-15894437.php
When this blue agate rock is broken in half, two smiling Cookie Monster faces greet you.



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Lucas Fassari found the unusual rock in November in the Brazil region of Rio Grande do Sul, according to American geologist Mike Bowers, the current owner of the rock. Bowers posted information on the unusual find to his Facebook page this week.
"I think this is probably the most perfect Cookie Monster out there," Bowers said in an interview with the Daily Mail on Tuesday. "I have seen others, but here you have it complete (both sides)."
Before the non-descript rock was split, it looked a lot like a gray egg. But once broken in half, the rock is revealed to contain blue quartz crystals that look a lot like a very happy Cookie Monster.
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"This is very unusual. There are a few famous agates out there: the owl, the scared face... there are many approximate ones but rare to find clear well defined like that," Bowers said. "Prices can be very high. I was proposed over $10,000 by five different buyers."