Formed in the warm Cretaceous seas that covered what is now Madagascar, this beautifully matched ammonite pair captures the quiet geometry of a marine creature that lived more than one hundred million years ago. Each half reveals the spiral chambers in clear definition, polished to a warm translucence where honey brown, amber gold and soft tobacco tones flow together across the shell. When placed side by side the two halves open like a fossilised heart, their inner architecture exposed with remarkable clarity. Along the outer surface a completely different character emerges. The natural mineral replacement has produced an extraordinary flame like pattern, a mosaic of burnt orange, soft gold and olive stone that resembles rising tongues of fire frozen in place. This aesthetic is highly characteristic of select ammonite deposits of the Mahajanga Province in Madagascar, where calcite and aragonite fill the old chambers and iron rich minerals create these dramatic colour transitions. The polish brings a gentle glow to the surface, lifting the warm amber tones toward the light and highlighting the rhythmic flow of each chamber. More than a decorative fossil this specimen is a direct remnant of an ocean long vanished. Its chambers once functioned as buoyancy compartments through which the living animal adjusted its depth. Today they stand as a perfect natural design, cut and prepared to display the full internal map of the shell. This pair is ideal for collectors who appreciate both authenticity and aesthetic presence, whether for a curated fossil cabinet or as a centrepiece alongside minerals and gemstones in a mixed display. Specifications: Origin: Mahajanga Province, Madagascar Geological Age: Cretaceous period approximately 100 to 110 million years Quantity: One matched pair cut and polished Weight: 10.45 g Size: 33 x 25 x 15 mm Treatment: Polished Notable Points: Matched polished ammonite pair with striking flame like outer pattern and well preserved internal chamber structure typical of high quality Madagascan material. Collectors Interest: Highly appealing for fossil collectors seeking aesthetic as well as scientific value. This pair offers classic Cretaceous architecture combined with an unusual colour pattern that enhances its display potential in both natural history and mineral collections. Lapidary Potential: Primarily valued as a natural history specimen. While an experienced artisan could integrate the pair into bespoke design work the strongest value remains in its current polished presentation as a matched fossil pair. _____________ Photography and transparency: All photos were taken under controlled light conditions, carefully selected to reproduce the most accurate natural color of each specimen. No filters, color enhancement, or artificial saturation were applied. The lighting setup is used exclusively to represent the piece as it appears under neutral daylight, ensuring that buyers can appreciate its true tones and luster without distortion. Identification and ethics: All specimens offered are guaranteed natural and as described. Their origin and mineral identification are provided with the most accurate and reliable information available. Every effort is made to ensure that each piece is presented with full transparency, avoiding any misleading details regarding its nature, treatment, or provenance. Shipping and handling: Orders are carefully prepared, with each stone individually protected and placed in a secure rigid box to ensure safe delivery. Shipments are made within 1 to 3 business days after payment confirmation, always with a tracking number provided to the buyer. Each order is handled with professional care from selection to dispatch, ensuring a smooth and trustworthy process. Customs and import taxes: Any customs duties, import fees, or local taxes applied by the destination country are entirely the responsibility of the winning bidder. These charges are not included in the auction price or shipping cost and are determined by the buyer’s local authorities. Guarantee and resolution: Customer satisfaction is a priority. In the event of any issue, such as loss, damage, or discrepancy, please contact us immediately through Catawiki’s messaging system. We will always find a fair and suitable solution, including refund, replacement, or other commercial arrangements whenever justified. Appreciation and commitment: We sincerely thank you for your trust and preference. Our goal is to continuously bring you some of the most beautiful, unique, and exceptional mineral specimens from around the world. Each piece is carefully selected for its quality and character, ensuring that every purchase meets the highest standards. Your satisfaction and confidence are our top priorities, and we will always strive to exceed your expectations with every order. With gratitude, GemPulse Minerals