Lot 503
Halved And Polished Giant Ammonite Shell. This is not only a specimen of real beauty on the outside, but has been carefully and expertly sliced in half lengthwise, then highly polished to reveal a fascinating myriad of siphuncle joining chambers,concave/convex chambers, curved sutures, chamber walls, etc., in a vast, eye-dazzling mixture of shapes and colors. This ammonite is of the family Echioceras and dates from 200 million years ago. The size is 11". Condition is superb!
Estimated Value $350 - 450.
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