Golden Fern Fossil | Pennsylvania freeform a family of silicate minerals

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

This Arizona chrysocolla formed through iron oxidation features soft blue-green coloration with natural brown matrix and surface texture

while pyrite (FeS₂) crystallizes as golden flecks within the stone

Aquamarine (Be3Al2Si6O18) is a blue type of beryl that can be found in many locations around the world including North America and Europe

5" and weighs 4

Golden Fern Fossil | Pennsylvania freeform a family of silicate mineralsThis 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