{"title":"Fossil - Ammonites","description":"\u003cp\u003eExplore our \u003cstrong\u003eAmmonite Fossils\u003c\/strong\u003e — ancient marine cephalopods preserved in stone for over 65 million years. With their iconic spiral shell structure and intricate suture patterns, ammonites are among the most recognisable and sought-after fossils in the world. Each specimen is genuine, making them perfect for fossil collectors, natural history enthusiasts, and as unique display pieces or educational gifts.\u003c\/p\u003e","products":[{"product_id":"120mm-ammonite-split-polished","title":"120mm Ammonite Split \u0026 Polished Pair - Large","description":"\u003cp\u003eA window into prehistoric seas — this 120mm split and polished Ammonite reveals the stunning internal chamber structure of one of nature's most iconic fossils. The outer surface retains its natural, textured shell, while the polished interior exposes the intricate suture patterns and iridescent chambers that make ammonites so captivating.\u003c\/p\u003e\n\u003cp\u003eAmmonites are extinct marine molluscs that lived between 240 and 65 million years ago. In crystal and fossil lore, ammonite is associated with protection, stability, and the continuous flow of life energy. Its spiral form is a powerful symbol of evolution, growth, and the cycles of nature — making it as meaningful as it is beautiful.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Ammonite in the picture is the one you'll receive\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFossil:\u003c\/strong\u003e Ammonite (natural)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Split and polished — natural exterior, polished interior\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Approx. 120mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for fossil collections, display, or gifting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA genuine piece of natural history, beautifully presented and ready to display.\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"Default Title","offer_id":54458814988621,"sku":"DOTZO","price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/120mm_Ammonite_split_and_polished_pair__DOTZO.jpg?v=1785844880"},{"product_id":"whole-perisphinctes-ammonite-50-to-60mm","title":"Whole Perisphinctes Ammonite (50 to 60mm)","description":"\u003cp\u003eThe ammonite shown is the one you'll receive\u003c\/p\u003e\n\u003cp\u003eA beautifully preserved piece of ancient ocean history — this whole Perisphinctes Ammonite displays the genus's characteristic tightly coiled, ribbed shell in remarkable detail. Perisphinctes ammonites lived during the Jurassic period, approximately 150 to 165 million years ago, and are among the most recognisable and sought-after ammonite fossils in the world.\u003c\/p\u003e\n\u003cp\u003eIn crystal and fossil lore, ammonite is associated with protection, stability, and the continuous flow of life energy. Its perfect spiral form is a powerful symbol of evolution, growth, and the cycles of nature — making it as meaningful as it is beautiful.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFossil:\u003c\/strong\u003e Perisphinctes Ammonite (natural, whole)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAge:\u003c\/strong\u003e Jurassic period, approx. 150–165 million years old\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 50 to 60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Whole, natural surface with characteristic ribbed coiling\u003c\/li\u003e\n\u003cli\u003eSuitable for fossil collections, display, or gifting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA genuine piece of Jurassic natural history — ancient, striking, and ready to display.\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"3","offer_id":54458922205517,"sku":"OCHSV","price":14.95,"currency_code":"GBP","in_stock":false},{"title":"4","offer_id":54458922238285,"sku":"OLQDY","price":14.95,"currency_code":"GBP","in_stock":true},{"title":"5","offer_id":54458922271053,"sku":"UUVUE","price":14.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/50-60mm_Perisphinctes_Ammonite_Whole_main_picture.jpg?v=1785845825"},{"product_id":"whole-polished-ammonite-80mm-madagascar","title":"Whole Polished Ammonite - 80mm Madagascar","description":"\u003ch4\u003eWhole Polished Ammonite Fossil from Madagascar\u003c\/h4\u003e\n\u003cp\u003eThis striking whole polished ammonite makes a beautiful natural-history display piece, with a classic spiral centre surrounded by intricate, frilled suture lines. The face is filled with warm honey-gold and amber tones, deeper caramel-brown shading and a contrasting cream-grey central coil, while the darker outer section adds depth and character. At approximately 80mm, it has plenty of visual presence for a shelf, cabinet, desk or fossil collection.\u003c\/p\u003e\n\u003ch4\u003eGeology \u0026amp; Formation\u003c\/h4\u003e\n\u003cp\u003eAmmonites are extinct marine molluscs that lived in the world's oceans before becoming extinct alongside the dinosaurs at the end of the Cretaceous Period. Over immense periods of time, their coiled shells were buried and fossilised. This specimen comes from Madagascar, a region known for producing beautifully patterned ammonites and other remarkable fossils.\u003c\/p\u003e\n\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Fossilised ammonite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Whole, polished ammonite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Approximately 80 x 65 x 20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Madagascar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Polished to highlight the natural spiral and suture pattern\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDisplay it as a captivating piece of ancient natural history, give it to a fossil enthusiast, or enjoy the wonderfully detailed patterning that turns a prehistoric shell into a miniature work of art.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAs a natural fossil, this ammonite has its own individual colour variations, markings, suture patterns and surface details. The specimen pictured is the one you will receive. Display stand shown in the photographs is for presentation and may not be included unless stated in the product details.\u003c\/em\u003e\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"Default Title","offer_id":54771777208653,"sku":"GRPBJ","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/Whole_Polished_Ammonite_80mm_3_GRPBJ.jpg?v=1789662779"},{"product_id":"145mm-polished-ammonite-half-madagascar","title":"145mm Half Polished Ammonite Fossil - Madagascar","description":"\u003cp\u003eThe piece in the photographs is the exact one you will receive.\u003c\/p\u003e\n\u003ch4\u003e145mm Half Polished Ammonite Fossil\u003c\/h4\u003e\n\u003cp\u003eA big, beautifully cut ammonite half with a mirror-polished face that shows off the whole spiral in cross-section. The chambers fan out from a tight central coil in warm russet, amber and olive tones, each one outlined by a fine copper-red suture line and filled with crystallised calcite that catches the light in soft greys and honey-golds. The reverse is left natural, a mottled sandy-grey shell surface that makes a lovely contrast with the glassy cut face. At roughly 145mm high it has real presence on a shelf, mantelpiece or desk.\u003c\/p\u003e\n\u003ch4\u003eFormation\u003c\/h4\u003e\n\u003cp\u003eAmmonites were shelled cephalopods, relatives of today's squid and nautilus, that filled the seas for hundreds of millions of years before dying out alongside the dinosaurs. This one comes from Madagascar, whose Cretaceous marine beds are famous for specimens with exceptional internal crystallisation. After the animal died the shell settled into the seabed, sediment and mineral-rich fluids filled the empty chambers, and over millions of years calcite and aragonite crystals grew inside them. Cutting and polishing the shell is what reveals that hidden architecture, including the wavy suture lines where each chamber wall met the outer shell.\u003c\/p\u003e\n\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine fossil ammonite, cut and polished half\u003c\/li\u003e\n\u003cli\u003eApproximately 145mm high\u003c\/li\u003e\n\u003cli\u003eOrigin: Madagascar\u003c\/li\u003e\n\u003cli\u003ePolished cut face with natural, unpolished shell exterior on the reverse\u003c\/li\u003e\n\u003cli\u003eColouring: russet, amber, olive and grey with copper-toned suture lines\u003c\/li\u003e\n\u003cli\u003eCrystallised calcite chamber infills with sparkle under direct light\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe acrylic stand and coin shown in the photographs are for scale and presentation only and are not included.\u003c\/p\u003e\n\u003ch4\u003eDisplay \u0026amp; Collector Appeal\u003c\/h4\u003e\n\u003cp\u003eA proper statement fossil: ancient, sculptural and instantly recognisable, and a favourite gift for collectors, geology fans and anyone who likes a bit of deep time on the bookshelf. Ammonites are also traditionally associated with change, growth and forward movement, a belief rather than a proven property.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease note: this is a one-of-a-kind natural fossil. Small surface pits, natural fractures and variation in colour and crystal formation are part of its character and are exactly as pictured.\u003c\/em\u003e\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"Default Title","offer_id":54790589317453,"sku":"VEVNY","price":70.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/145mm_Ammonite_half_polished_2_VEVNY.jpg?v=1789907636"},{"product_id":"whole-polished-douvilleiceras-ammonites-35-to-40mm","title":"Whole Polished Douvilleiceras Ammonites - 35 to 40mm","description":"\u003cp\u003e\u003cstrong\u003eThe Ammonite shown is the one you'll receive\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eWhole Polished Douvilleiceras Ammonite\u003c\/h4\u003e\n\u003cp\u003eOne of the most characterful little ammonites you can hold. \u003cem\u003eDouvilleiceras\u003c\/em\u003e is instantly recognisable for its fat, knobbly ribs, and these whole specimens have been polished until the surface gleams, bringing up rich toffee-brown, amber and smoky grey tones with flashes of orange in the shell. Tightly coiled and chunky, each one has a spiral of stubby tubercles marching around the whorl and a smooth domed centre worn to a soft sheen. At 35 to 40mm they sit perfectly in the palm, which makes them brilliant pocket fossils, desk curios and starter pieces for young collectors.\u003c\/p\u003e\n\u003ch4\u003eGeology \u0026amp; Formation\u003c\/h4\u003e\n\u003cp\u003e\u003cem\u003eDouvilleiceras\u003c\/em\u003e lived in warm, shallow Cretaceous seas during the Albian stage, roughly 113 to 100 million years ago, swimming by jet propulsion like the nautilus does today. Its heavy ribbing and spiny knobs likely strengthened the shell against predators. After death the shells sank into the seabed, and mineral-rich fluids gradually replaced the original shell material, preserving the ribs and coil in fine detail. The species is best known from the Cretaceous marine beds of Madagascar.\u003c\/p\u003e\n\u003ch4\u003eFossil Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine whole fossil \u003cem\u003eDouvilleiceras\u003c\/em\u003e ammonite\u003c\/li\u003e\n\u003cli\u003eSize: approximately 35 to 40mm across\u003c\/li\u003e\n\u003cli\u003eAge: Albian, Early Cretaceous, roughly 113 to 100 million years old\u003c\/li\u003e\n\u003cli\u003eFinish: polished all over, whole specimen rather than a cut half\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDistinctive knobbly ribbed whorl with a smooth central boss\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe coin shown in the photographs is for scale only and is not included.\u003c\/p\u003e\n\u003ch4\u003eCollector Appeal\u003c\/h4\u003e\n\u003cp\u003eA proper handful of deep time at pocket-money scale: sturdy enough to be handled, striking enough to display, and a great gift for fossil fans, geology students and curious kids. Ammonites are also traditionally linked with change, growth and forward movement, a belief rather than a proven property.\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"1","offer_id":54791769719117,"sku":"VMPRO","price":12.0,"currency_code":"GBP","in_stock":true},{"title":"2","offer_id":54791769751885,"sku":"HPRGL","price":12.0,"currency_code":"GBP","in_stock":true},{"title":"3","offer_id":54791769784653,"sku":"HLQFK","price":12.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/douvilleiceras_Ammonite_Whole_Polished_3_HLQFK.jpg?v=1789921231"},{"product_id":"whole-irridescent-silver-ammonite-75mm","title":"Whole Irridescent Silver Ammonite from Madagascar - 75mm","description":"\u003ch4\u003eWhole Iridescent Silver Ammonite – 75mm\u003c\/h4\u003e\n\u003cp\u003eBring a little prehistoric detail to your shelf with this whole ammonite fossil. At approximately 75mm, its spiral form and silver-toned iridescent finish make it an eye-catching piece for a fossil collection or a thoughtful gift for someone fascinated by natural history.\u003c\/p\u003e\n\u003ch4\u003eAbout Ammonites\u003c\/h4\u003e\n\u003cp\u003eAmmonites were marine molluscs that lived millions of years ago. Their coiled shells are among the most recognisable fossils, preserving a striking glimpse of ancient sea life.\u003c\/p\u003e\n\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eType: whole ammonite fossil\u003c\/li\u003e\n\u003cli\u003eOrigin: Madagascar\u003c\/li\u003e\n\u003cli\u003eSize: approximately 75 x 64 x 22mm\u003c\/li\u003e\n\u003cli\u003eAppearance: silver-toned iridescent coating\u003c\/li\u003e\n\u003cli\u003eDisplay: photographed on an acrylic stand; the stand is not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFossils can have natural variations and irregularities. Please refer to the photographs for the appearance of this piece.\u003c\/em\u003e\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"Default Title","offer_id":54920902508877,"sku":"HVHBZ","price":25.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/Whole_iridescent_ammonite_75mm_1_HVHBZ.jpg?v=1790764695"},{"product_id":"small-iridescent-silver-ammonite-38mm","title":"Small Iridescent Silver Ammonite Fossils - 32 to 45mm","description":"\u003ch4\u003eSmall Iridescent Silver Ammonite Fossils\u003c\/h4\u003e\n\u003cp\u003eA compact ammonite with a beautiful silvery iridescent shell. Across its surface, flashes of blue, green, red and warm gold catch the light at different angles, giving these little fossils plenty of presence on a shelf, desk or in a display cabinet.\u003c\/p\u003e\n\u003ch4\u003eFossil Details\u003c\/h4\u003e\n\u003cp\u003eAmmonites were marine molluscs with coiled shells. Their spiral form records a remarkable chapter of prehistoric ocean life, making each fossil a fascinating piece for collectors and an easy conversation starter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Ammonite fossil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Approximately 32 to 45mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e Silvery-beige surface with visible iridescent flashes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Small enough for a specimen shelf, cabinet, desk or pocket!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNatural fossils can show uneven edges, surface marks and areas of wear. Iridescent colours may look different as the light and viewing angle change.\u003c\/em\u003e\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"1","offer_id":54921761030477,"sku":"NOHYI","price":10.0,"currency_code":"GBP","in_stock":true},{"title":"2","offer_id":54921761063245,"sku":"NRNSU","price":10.0,"currency_code":"GBP","in_stock":true},{"title":"3","offer_id":54921761096013,"sku":"ZNXSQ","price":9.0,"currency_code":"GBP","in_stock":true},{"title":"4","offer_id":54921761128781,"sku":"XSRBP","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/small_Whole_iridescent_ammonite__1__1_NOHYI.jpg?v=1790771814"},{"product_id":"ammonite-cut-and-polished-40mm","title":"Ammonite Fossil Cut and Polished Pair - 40mm","description":"\u003ch4\u003e40mm Cut and Polished Ammonite Pair\u003c\/h4\u003e\n\u003cp\u003eTwo matching halves of an ammonite fossil, cut open to reveal the coiled chambers inside. The polished faces show a striking spiral of warm brown, amber and grey, outlined by pale chamber walls. Place the halves side by side on a shelf or desk to enjoy the mirrored pattern, or share one with a fellow fossil enthusiast.\u003c\/p\u003e\n\u003ch4\u003eGeology \u0026amp; Formation\u003c\/h4\u003e\n\u003cp\u003eAmmonites were marine molluscs whose coiled shells were divided into chambers. As the shell was buried and fossilised, its internal structure was preserved, creating the intricate pattern revealed by cutting and polishing.\u003c\/p\u003e\n\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Ammonite fossil, cut into a pair of halves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Approximately 40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Polished interior faces with visible spiral chambers; the outer surfaces retain a more natural texture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e Earthy brown, amber and grey tones with pale chamber outlines; subtle iridescence is visible on parts of the outer shell\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNatural fossil markings, uneven areas and colour differences are part of this pair’s character. The coin shown in the photographs is for scale only and is not included.\u003c\/em\u003e\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"Default Title","offer_id":54921829843277,"sku":"MORRC","price":17.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/Ammonite_Cut_Polished_Pair_40mm__1__1_MORRC.jpg?v=1790774839"},{"product_id":"ammonite-cut-and-polished-pair-40mm-copy","title":"Ammonite Fossil Cut and Polished Pair - 35mm","description":"\u003ch4\u003e35mm Cut and Polished Ammonite Pair\u003c\/h4\u003e\n\u003cp\u003eTwo halves of a small ammonite fossil, cut and polished to reveal the intricate spiral within. The faces show deep chocolate-brown chambers separated by fine cream-coloured lines, with warm amber tones near the edges. Display the pair together to compare the patterns on each side, or tuck them into a fossil collection where their detail can be enjoyed up close.\u003c\/p\u003e\n\u003ch4\u003eGeology \u0026amp; Formation\u003c\/h4\u003e\n\u003cp\u003eAmmonites were marine molluscs with coiled, chambered shells. Fossilisation preserved this internal structure, which becomes visible when a specimen is cut and polished.\u003c\/p\u003e\n\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Ammonite fossil, cut into two halves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Approximately 35 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Polished interior faces with a visible chambered spiral; textured outer shell surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e Dark brown and amber chambers with pale outlines, and small flashes of iridescence on parts of the exterior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNatural surface marks, colour differences and uneven edges are part of the fossil’s character. The coin in the photographs is shown for scale only and is not included.\u003c\/em\u003e\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"Default Title","offer_id":54921879880013,"sku":"JJFXF","price":17.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/Ammonite_Cut_Polished_Pair_35mm__2__1_JJFXF.jpg?v=1790775474"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/collections\/Ammonites.jpg?v=1785951320","url":"https:\/\/www.rockandfossilshop.co.uk\/collections\/fossil-ammonites.oembed","provider":"The Rock \u0026 Fossil Shop","version":"1.0","type":"link"}