A necklace of nine large and graduated Madagascar Pearlised Ammonite Fossils, with Black Onyx small round spacers. At each end of the necklace is a row of six Black Onyx round beads. The largest Fossil is 1.7 inches in width, 0.4 inches in depth, and 2.2 inches in drop length. The smallest Fossil is 0.7 inches in width, 0.2 inches in depth, and 1.1 inches in drop length. The necklace is 18 inches in length, and is finished with a black cotton macrame loop, and a BlackOnyx round toggle. The Ammonite Fossils are from the Jurassic period, and are 180 million years old.