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MADAGASCAR
細節
A Split Ammonite
Madagascar
A Cleoniceras sp. from the early Cretaceous (approx. 135 Mya), spilt and polished to reveal inner chambers of caramel-brown calcite.
8 in. (20 cm.) diam.
Madagascar
A Cleoniceras sp. from the early Cretaceous (approx. 135 Mya), spilt and polished to reveal inner chambers of caramel-brown calcite.
8 in. (20 cm.) diam.