Join Dr. Raymond W. Grant for his presentation titled “Minerals and Gems of Arizona,” where attendees can learn about the wealth of turquoise, petrified wood, peridot, malachite and azurite that have been mined in the state. Dr. Grant knows his stuff – he even has a mineral species named in his honor. This is a free event for all ages. For more:


  • Occurs Thursday, August 29th, 2019 @ 1:00 pm – 3:00 pm


Polly Rosenbaum State Archives and History Building, 1901 W. Madison St., Phoenix