Pyritized Dactylioceras Ammonite Fossil in Matrix Metallic / Shiny Even after millions of years

Even after millions of years

Baculites are an extinct variety of cephalopod

Bands of Aragonite crystals form this lovely specimen from La Profounda Mine

The sides of the geode have been lightly polished to refine the specimen with the front and sides left in the raw and natural state

A fun slice of Barite crystals from the Lubin Mining District in Poland

Pyritized Dactylioceras Ammonite Fossil in Matrix Metallic / Shiny Even after millions of yearsPyritized ammonite fossils in a lovely shale matrix from the Holzmaden Shale in Germany. This specimen features a common variety of Ammonite found at this location, Dactylioceras sp. The shale matrix is meticulously removed to expose the Ammonite fossils hiding underneath which have been naturally replaced by the mineral Pyrite. The bright brass coloration and detailed texture of the Ammonite fossils creates a lovely contrast against the dark shale