Fossil slab with ammonites and pyrites - Fossil fragment - Ammonite (No Reserve Price)

A masterpiece of paleontology: this sedimentary slab from Schaffhausen, Germany, contains one of the most fascinating Jurassic assemblages. The specimen weighs 1,700 grams and measures 341 × 250 × 13 mm.

Its surface features perfectly fossilized ammonites, remarkably preserved, well-distributed, and complete in every detail. But what makes this specimen even rarer and more desirable is the presence of pyrite crystals scattered among the fossil shells: a rare blend of the organic and inorganic worlds, capable of capturing the eye of even the most experienced collector.

The deposit dates back to the Upper Toarcian (Lower Jurassic), approximately 175 million years ago, a time when the area was submerged in an anoxic sea, perfect for the preservation of marine organisms. Ammonites—extinct cephalopods with spiral shells—are among the most important Mesozoic marker fossils. Pyrite, formed in a reducing environment, is present here in the form of small golden crystals, which shimmer with metallic reflections, creating a striking contrast with the pale matrix of the slab.

This slab, thanks to its extraordinary aesthetics, rarity and perfect scientific readability, represents one of the highest expressions of European Jurassic fossilization.

Kire Minerals is proud to offer this unique specimen, perfect for discerning collectors or for museum displays dedicated to paleontological heritage. A piece that elegantly and precisely recounts a remote chapter in Earth's history.