Synthetic Opal and Calcite Ammonite Fossil
An object of art, combining natural and man-made materials: this Moroccan ammonite, which has a calcite replacement of its cellular structure, has inlaid sections of synthetic opal filling the sections. The "compartments" in an ammonite, increase in size according to the Fibonacci sequence. Height 5 in
Sold for
US$ 375
inc. premium
Footnotes
Category:
Natural History
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