Pair of polished ammonite halves completely crystallized with clear calcite.
Beautiful pair of polished ammonite halves, sawn to expose the multicolored calcite cavities.
Original mother of pearl preserved in limestone formation
(a) 2" smaller one $45
Ammonite fossil showing fossilized mother-of-peal (irridescence).
These are increasibgly difficult to acquire.
Ammonite fossil showing fossilized mother-of-pearl (irridescence), aesthetically perched on matrix.
Ammonite fossil showing fossilized mother of pearl (irridescense) , of the finest quality. Difficult to find these now.