Golden Fern Fossil | Pennsylvania freeform 5" and weighs 4

5" and weighs 4

A light to dark pink variety of calcite Ca(CO3) that contains cobalt (Co) giving it the unique coloring

a family of silicate minerals with the chemical formula X₃Y₂(SiO₄)₃ that crystallize in the isometric system

This item is 2“ x 2“ and weighs 2

Golden Fern Fossil | Pennsylvania freeform 5" and weighs 4This striking fossilized fern comes from the historic Pottsville Formation, dating back to the Pennsylvanian Period (~300 MYO) when vast coal swamps covered much of ancient Earth. The frond impressions display a rare golden coloration, caused by natural mineralization that highlights the delicate structure of the plant. This item is 5 x 4 and weighs 6. 6 oz