(3) Ammonite fossil shells from Madagascar
USD30.00
Description
3.1 x 2.6 x 1 cm
24.8 grams
Three opalized Ammonite specimens, polished on both sides to show off their internal structure and coloring. You can see with the outer patterning of the polished shell the filled sections (a blend of Calcite and Aragonite xtls).The spiral is a wonderful example of the Fibonacci sequence, and also nature’s “golden ratio” as defined by the Greeks. Gorgeous display specimens at a bargain!
50ZZ2015
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