Ammonite, approx. 6" diameter, cleoniceras or similar, Cretaceous, Madagascar. Extinct marine species, related to current nautilus.
This sliced and polished ammonite has a darker color indicating iron/manganese replacement.
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See News for our Rock and Gem Show schedule. Our sales focus on trade shows. Here are just a few of our decorative lapidary items, fossils, and mineral specimens. Jewelry and cabochons are available only at the shows. Hope to see you soon!