"Transparent scalenohedral calcite crystals up to 1.5cm in length fill most of this Mercenaria permagna clam shell. The calcite crystals in this fossilized clam shell-Mercenaria Permagna-Pleistocene grew in the natural pockets formed by buried fossil clamshells. Not many fine collector specimens come from Florida, of course." Location: Rucks' Pit, near Ft. Drum, Okeechobee County, Florida Size: 7.2 x 5.5 x 3.0 cm. Weight: 0.7 lbs. Quantity Available: 1 Price: $120.00 |