Volcanic rock that looks like Cookie Monster is worth big bucks

California-based geologist Mike Bowers unearthed a very special agate while rock hunting in the Rio Grande dol sul region near Soledade in Brazil last year.

Once split in two, the egg-shaped volcanic rock revealed twin sapphire quartz mugs, creamy googly eyes, and smiling gaping maws—a design that bears an uncanny likeness to Sesame Street's most beloved glutton, Cookie Monster. — Read the rest