Cleoniceras Ammonite Small pyrite cluster Oregon Agate is classified as

Oregon Agate is classified as a type of opaque

this piece does have pyrite

This metal was essential for iron and steel production

creating striking silver or gold-toned patterns within the stone

Cleoniceras Ammonite Small pyrite cluster Oregon Agate is classified asAmmonites were ocean dwelling mollusks that lived from the mid Devonian (388 million years ago) through the Cretaceous (66 million years ago). The closest living relatives found today are octopus, squid, and cuttlefish. These fossils are found in sedimentary rock layers of limestone, clay, or shale. The mineral composition of the shell can include iron, manganese, and aluminum, creating vibrant colors. You will receive the exact item pictured