{"product_id":"21x18mm-ceratite-fossil-focal-bead","title":"21x18mm Ceratite Fossil Focal Bead","description":"\u003cp\u003eCeratite Fossil Bead measures approximately 21x18x9mm in size, this Ceratite Fossil is a full specimen showing the shell containing a spiraling chambers divided by thin walls called septa, the pattern of the septa is reflected on the outside of the shell called sutures, this fossil`s sutures are wave-like lines which classify the septa as Ceratite,  and this milky white fossil with its black wavy patterning and brown features is a particularly beautiful form which has been drilled from side to side as shown in the photograph.  The species first appeared in the late Silurian to early Devonian Periods (~400 million years ago). Only some 10% of species survived the Permian Extinction, and their ultimate demise coincided with that of the dinosaurs in the K-T extinction event that closed the Cretaceous Period.  Imagine owning a natural Ammonite Fossil which has been encased in Earth`s ancient sea for 400 million years.\u003c\/p\u003e","brand":"Beadsofcambay.com","offers":[{"title":"Default Title","offer_id":42515222134871,"sku":"432297","price":54.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7236\/files\/21x18mm-ceratite-fossil-focal-bead-704982.jpg?v=1770414721","url":"https:\/\/glassgardenbeadkits.com\/products\/21x18mm-ceratite-fossil-focal-bead","provider":"Glass Garden Beads Collective, PLLC","version":"1.0","type":"link"}