Pyritized ammonite 2.69g 19.3mm

A whole pyritized ammonite with a rich gold surface showing a mix of smooth flanks and rough lumpy pyrite growth textures. The outer whorls carry rib-like surface ridges, and the open umbilical area has an irregular, mineralogically textured interior that reflects the natural variation in pyrite replacement.

The variable surface texture - smooth flanks to rough mineral-encrusted sections - reflects natural variation in pyrite replacement during fossilisation. Pyritized ammonite fossil from Aveyron, France, at 19.3mm. Natural pyrite ammonite fossil, Jurassic France, metallic fossil, collector specimen.

• Fossil type: Natural pyritized ammonite fossil
• Origin: Aveyron, France
• Treatment: Stabilized
• Form: Whole specimen
• Size: 19.3mm
• Weight: 2.69g

Natural pyritized ammonite from Aveyron, France - sold as a single specimen.