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Modern day stromatolites are rare
while pyrite (FeS₂) crystallizes as golden flecks within the stone
This Arizona chrysocolla formed through iron oxidation features soft blue-green coloration with natural brown matrix and surface texture
75” and weighs approximately 6
This item is 2“ x 2“ and weighs 2
Golden Fern Fossil | Pennsylvania freeform Modern day stromatolites are rareThis 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$ 192.00
US$ 511.50
US$ 149.50
US$ 20.00
US$ 51.73
US$ 163.99
US$ 114.95
US$ 20.00
