The Tri-State Gem & Mineral Show was put on by none other than the Tri-State Gem & Mineral Society. (Go figure) Located in the quaint town of Joplin, MO. and hosted at the Tri-State Mineral Museum. Entitled ‘Rock-A-Thon’ (I thought that was kinda cute), this was the 21st annual event. The show had roughly 25 […]