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A light to dark pink variety of calcite Ca(CO3) that contains cobalt (Co) giving it the unique coloring
Their origins date back over three billion years and were the dominant life form on Earth for more than two billion years
5" and weighs 4
while pyrite (FeS₂) crystallizes as golden flecks within the stone
Golden Fern Fossil | Pennsylvania freeform A light to dark pinkThis 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
US$ 58.00
US$ 14.91
US$ 74.96
US$ 204.28
US$ 40.40
US$ 20.00
