Smiley face agate photo by Cobalt123 from https://flic.kr/p/dVdpEA

An agate dressed up for Halloween, hanging out at the Tucson Rock and Gem Show 2013.  Thanks for following us all the way through Agate Month and learning all about these beautiful minerals!
If you’d like to see a list of even more types of agates, go here: http://stoneplus.cst.cmich.edu/agate.htm