Pyrite Cluster - Specimen north american fossil mammal They fed on food particles

They fed on food particles that were filtered out from the ocean water

with the dark fossilized root contrasting against the lighter enamel face

That style of preservation explains the creamy carbonate coating and the soft

and their remains were buried in marine sediment and later fossilized

It is also a memory plastic

Pyrite Cluster - Specimen north american fossil mammal They fed on food particlesMined from: Ampliacin a Victoria Mine, Navajn, La Rioja, Spain Description: This one of a kind Pyrite cluster mineral specimen from Ambas Aguas, La Rioja, Spain features a tight grouping of brassy metallic Pyrite crystals with strong modified cubic forms. The piece has a chunky, compact build with stacked intergrown crystals, flat reflective faces, beveled edges, and natural striations across many of the surfaces. Several crystals show darker