This pyritized ammonite from the Jurassic Age is nature’s bling—turning "fool’s gold" into a treasure more valuable than the real thing! Discover why collectors are obsessed with these golden fossils, where to find them (hint: English Jurassic Coast is a hotspot), and the mind-blowing science behind their metallic magic. Spoiler: Time + chemistry = pure awe. For advertising opportunities, visit Avonetics.com.