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the rosettes erode into positive relief on exposed rock surfaces
Formed over millions of years as ancient coral gradually transformed into agate
Surface erosion then accentuated differences to create the distinctive shapes and surface banding
43“ and weighs 3
Fossil Fern 300 MYO | Pennsylvania mexico the rosettes erode into positiveThis striking fossilized fern comes from the Pottsville Formation, dating back roughly 300 million years to the Pennsylvanian period. The slab features beautifully preserved fern fronds with excellent detail and contrast, showcasing the classic dark carbon impressions against the natural grey shale. This item is 6. 5 x 6 and weighs 1 lb 15 oz.
US$ 22.00
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