{"product_id":"unusual-promicroceras-pyritosum-ammonite-fossil-in-matrix-30-mm","title":"Unusual Promicroceras pyritosum ammonite fossil in matrix (30 mm)","description":"\u003cp\u003eA highly pyritised ammonite fossil of the species \u003cem\u003ePromicroceras pyritosum\u003c\/em\u003e from the world-famous Jurassic Coast beach of Charmouth, Dorset UK.\u003c\/p\u003e\n\u003cp\u003eThe fossil measures 30 mm (1.12 inches) across with matrix, which is large for this species. The ammonite is well preserved in a pyrite matrix, which is really unusual for this species that is almost always preserved without matrix. The ribs are very finely defined and the pyritic colour and shine is beautiful. A great example of the species and incredible in the flesh. A really impressive specimen.\u003c\/p\u003e\n\u003cp\u003eThese pyrite ammonites have long been used to make beautiful natural jewellery.\u003c\/p\u003e\n\u003cp\u003eAround 196 million years old, this fossil would make a wonderful addition to any collection.\u003c\/p\u003e","brand":"Jurassic Coast Fossils","offers":[{"title":"Default Title","offer_id":56392896348539,"sku":"Fossil821","price":24.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/5100\/8131\/files\/P8070060.jpg?v=1787740967","url":"https:\/\/jurassiccoastfossils.com\/products\/unusual-promicroceras-pyritosum-ammonite-fossil-in-matrix-30-mm","provider":"Jurassic Coast Fossils","version":"1.0","type":"link"}