Calcified Ammonite Half (5") From Madagascar Tennessee The apophyllite crystals are fully

The apophyllite crystals are fully terminated with colorless transparent pyramidal terminations

Otodus obliquus eventually evolved into the megalodon shark

were reported in 1576

The back side has been hand polished to a smooth high reflective surface

Large showy 1

Calcified Ammonite Half (5") From Madagascar Tennessee The apophyllite crystals are fullyFossilized psuedomorph of calcite after ammonite halve to reveal the internal chambers lined with calcite crystals. The ammonite has been internally replaced by calcite with small areas showing its original mother of pearl iridescent outer shell. Its a complete ammonite sliced and polished to expose the internal cavities now lined with calcite micro crystals *Stock photo shown, you will receive a similar item. Pattern color shape may slightly vary.