CAL3101 Price: $420
CALCITE on Mercenaria permagna
Rucks’ Pit, near Fort Drum; Okeechobee County, Florida, USA
Large Cabinet (18.8 x 12.2 x 9.4 cm)
This is a spectacular top-shelf dual matrix specimen consisting of a pair of transparent golden calcite-filled Mercenaria permagna clams in parallel matrix orientation. The calcite crystals are up to 2 cm long, and are concentrated in the upper hinge area of each clam. The calcite is fluorescent blue-green under shortwave and longwave UV light (see photo), and even phosphoresces for a few seconds when the UV light is extinguished. These specimens are Plio–Pleistocene in age (1–2 million years old).
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