AMMONITE CUT AND POLISHED HALVES #121 PREPARED BY THE ARTISANS IN MADAGASCAR. THIS SPECIMEN IS A DESMOCERAS AMMONITE AND IS 3" X 2 3/4 X 1 1/4" AND WEIGHS 6.04 OUNCES. GREAT SUTURES ON OUTSIDE AND INSIDE THE MOSTLY OPEN CHAMBERS ARE CLEARLY SEPARATED BY SEPTUMS. A BEAUTIFUL SPECIMEN FOR YOUR COLLECTION.