An exceptional locality specimen , fossil clam with calcite crystals from Ruck’s pit in Okeechobee, FL. These clams were buried under a tidal wave and are incredibly preserved. The mine is closed, but the owner stockpiled a bunch of material. you can make a reservation to dig there, they bring out sand with a Bobcat and dump it in piles. Hess are provided and the collector merely has to rinse the sand off the rocks to find these amazing fossils.