Framed Ammonite Fossil Pair;Iridescent/Opalescent Cretaceous.

Framed Ammonite Fossil Pair;Iridescent/Opalescent Cretaceous.

These natural and beautiful flashes of colour , when turned towards the light,are produced by the shell of the fossil being replaced by the mineral argonite , many millions of years ago.Mounted in a deep box frame  on green felt background. Great gift idea!
Date: Cretaceous 120 to 110 Million years old
Provenance: N. W Coast of Madagascar.
Size: Frame is 12 x 12 cm depth 3.3 cm  146 gm
Condition: The ammonites have very good  detail and preservation and excellent iridescence showing up an array of rainbow colours. code 100-136