{"product_id":"colorful-1-71-silver-iridescent-ammonite-madagascar","title":"Colorful, 1.71\" Silver Iridescent Ammonite - Madagascar","description":"\u003cp class=\"\" data-end=\"552\" data-start=\"127\"\u003eAdd a brilliant piece of Earth’s history to your collection with this genuine Silver Iridescent Ammonite fossil from Madagascar! Measuring 1.71\" across, this captivating fossil shimmers with natural rainbow hues formed over 110 million years ago during the Middle Cretaceous period. These rare ammonites are preserved in a stunning nacreous layer that reflects vibrant colors under light, no artificial enhancement needed.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"905\" data-start=\"554\"\u003eSourced from the fossil-rich Mahajanga Province of Madagascar, this ammonite belongs to the \u003cem data-end=\"664\" data-start=\"646\"\u003especies: various\u003c\/em\u003e group and showcases the classic spiral shell structure that once housed an ancient marine cephalopod. It’s professionally presented in a labeled display case, making it perfect for collectors, fossil enthusiasts, or as a one-of-a-kind gift.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1135\" data-start=\"907\"\u003eWhether you're into natural history, geology, or unique home decor, this iridescent ammonite brings prehistoric beauty into the modern world. Every fossil is authentic, ethically sourced, and hand-selected for quality and color.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"1218\" data-start=\"1137\"\u003e\u003cstrong data-end=\"1218\" data-start=\"1137\"\u003eBring home a shimmering relic from the age of dinosaurs, limited availability!\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 class=\"\" data-end=\"152\" data-start=\"112\"\u003e🌀 \u003cstrong data-start=\"385\" data-end=\"443\"\u003eAbout Iridescent Ammonites and Silver Ammonite Fossils\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"445\" data-end=\"834\"\u003eAmmonites are one of the most recognizable and beautiful fossils in the world, extinct marine cephalopods that lived in Earth’s oceans for hundreds of millions of years. These spiral-shelled creatures thrived from the Devonian period through the Cretaceous period, disappearing around 66 million years ago during the same mass extinction event that ended the age of dinosaurs.\u003c\/p\u003e\n\u003cp data-start=\"836\" data-end=\"1354\"\u003eWhat makes certain ammonites truly exceptional, however, is their natural iridescence, a stunning, rainbow-like shimmer that can appear in preserved shells. Among the rarest and most striking are silver iridescent ammonites, which exhibit a radiant, metallic sheen that reflects silver tones (and often hints of blue, purple, and green) across the fossil’s surface. This dazzling effect is caused by microscopic layers of aragonite, a mineral that refracts light in thin layers, much like mother-of-pearl.\u003c\/p\u003e\n\u003cp data-start=\"1356\" data-end=\"1532\"\u003eThese breathtaking fossils are not only scientifically fascinating but also \u003cstrong data-start=\"1432\" data-end=\"1453\"\u003evisually stunning\u003c\/strong\u003e, making them highly prized by collectors, museums, and even jewelry designers.\u003c\/p\u003e\n\u003ch3 data-start=\"1534\" data-end=\"1586\"\u003e\u003cstrong data-start=\"1538\" data-end=\"1586\"\u003eWhere Are Iridescent Ammonite Fossils Found?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1588\" data-end=\"1825\"\u003eIridescent ammonites are found in only a few highly specific geological environments, where the right balance of mineral content, pressure, and preservation conditions allowed for the delicate nacreous layer to survive fossilization.\u003c\/p\u003e\n\u003cp data-start=\"1827\" data-end=\"1878\"\u003eTop sources of silver iridescent ammonites include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1882\" data-end=\"1896\"\u003eMadagascar\u003c\/strong\u003e – Cretaceous-era ammonites from the Mahajanga Basin are famous for vibrant coloration, including silvery iridescence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"2017\" data-end=\"2037\"\u003eCanada (Alberta)\u003c\/strong\u003e – The Bearpaw Formation produces \u003cem data-start=\"2071\" data-end=\"2081\"\u003eAmmolite\u003c\/em\u003e, a gem-grade form of fossil ammonite with exceptional iridescence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"2151\" data-end=\"2162\"\u003eMorocco\u003c\/strong\u003e – Jurassic and Cretaceous ammonites from Morocco may occasionally display rare silver tones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"2258\" data-end=\"2268\"\u003eRussia\u003c\/strong\u003e – Certain fossil sites yield beautifully preserved ammonites with delicate, metallic luster.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2363\" data-end=\"2494\"\u003eThese fossils are typically polished on one or both sides to reveal the full beauty of their shell structure and iridescent layers.\u003c\/p\u003e\n\u003ch3 data-start=\"2496\" data-end=\"2547\"\u003e\u003cstrong data-start=\"2500\" data-end=\"2547\"\u003eWhat Makes an Iridescent Ammonite Valuable?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2549\" data-end=\"2639\"\u003eSeveral factors contribute to the value and collectibility of silver iridescent ammonites:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"2643\" data-end=\"2667\"\u003eIridescence Quality:\u003c\/strong\u003e Strong, broad-spectrum shine with full or partial rainbow effects increases value, especially if silver tones dominate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"2791\" data-end=\"2808\"\u003eCompleteness:\u003c\/strong\u003e Fully intact, unbroken ammonite shells with a clear spiral form are highly desirable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"2897\" data-end=\"2916\"\u003eSize and Shape:\u003c\/strong\u003e Larger specimens with symmetrical coils and thick outer whorls are prized.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"2994\" data-end=\"3013\"\u003eColor Contrast:\u003c\/strong\u003e Fossils that show color against a dark matrix or contrasting background have greater visual appeal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"3116\" data-end=\"3141\"\u003eNatural vs. Polished:\u003c\/strong\u003e Polished ammonites are popular for display, but natural, unpolished iridescence is rarer and more collectible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3253\" data-end=\"3410\"\u003eBecause of their aesthetic quality, some ammonites cross over into the gemstone and jewelry market, increasing demand and rarity for top-grade specimens.\u003c\/p\u003e\n\u003ch3 data-start=\"3412\" data-end=\"3467\"\u003e\u003cstrong data-start=\"3416\" data-end=\"3467\"\u003eWhy Collect Silver Iridescent Ammonite Fossils?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3469\" data-end=\"3735\"\u003eThese fossils offer a perfect fusion of science and natural beauty, a treasure that’s both ancient and artistic. Whether you're a fossil enthusiast, gem collector, or nature lover, a silver iridescent ammonite fossil is a captivating addition to any collection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"3739\" data-end=\"3758\"\u003eDisplay-Worthy:\u003c\/strong\u003e These fossils are striking decor pieces, glowing with ancient elegance and metallic shimmer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"3854\" data-end=\"3876\"\u003eEducational Value:\u003c\/strong\u003e Ammonites are a textbook example of extinction, evolution, and marine paleontology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"3963\" data-end=\"3984\"\u003eCollector Appeal:\u003c\/strong\u003e Their rarity, color, and preservation quality make them incredibly sought after.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"4068\" data-end=\"4084\"\u003eUnique Gift:\u003c\/strong\u003e Few gifts match the beauty and history of an authentic, shimmering ammonite fossil.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"4170\" data-end=\"4201\"\u003e\u003cstrong data-start=\"4174\" data-end=\"4201\"\u003eGuaranteed Authenticity\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4203\" data-end=\"4551\"\u003eAt Fossil Driven, we guarantee every iridescent ammonite fossil we sell is 100% authentic, formed naturally over millions of years, and responsibly sourced. We never deal in synthetic or artificially colored ammonites. All polishing (if any) is disclosed, and every specimen is inspected for quality, integrity, and genuine preservation.\u003c\/p\u003e\n\u003cp data-start=\"4553\" data-end=\"4683\"\u003eBring home an ancient ocean relic, a silver iridescent ammonite that’s as old as the dinosaurs and as dazzling as a gemstone.\u003c\/p\u003e","brand":"Fossil Driven","offers":[{"title":"Default Title","offer_id":48844413599995,"sku":"Amm #2576","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/5559\/0395\/files\/colorful-171-silver-iridescent-ammonite-madagascar-5941232.png?v=1778206329","url":"https:\/\/fossildriven.com\/products\/colorful-1-71-silver-iridescent-ammonite-madagascar","provider":"Fossil Driven","version":"1.0","type":"link"}