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This variety of serpentine
5" x 1" and weighs 12
Aragonite is a calcium carbonate mineral that commonly forms in radiating clusters
Outside fluoresces a red and white
The fossil’s intricate structure and earthy coloration reveal the beauty of early marine life preserved in stone over hundreds of millions of years
Golden Fern Fossil | Pennsylvania square This variety of serpentineThis 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 7. 5 x 8 and weighs 46 oz
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