Detailed Fossil Fern Pos/Neg Nodules Mazon Creek Illinois USA + Stands
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Detailed Fossil Fern Pos/Neg Nodules Mazon Creek Illinois USA + Stands
Fossil Fern Nodule Positive and Negative Carboniferous Pennsylvanian
The positive and negatives are each in a half iron stone nodule. They both fit together . Two small acrylic display stands are supplied so that they can be displayed nicely together .
Date: Carboniferous, Pennsylvanian around 300 million years old
Provenance: Mazon Creek Illinois , USA
Size: Each nodule measures; 9.7 x 4.0 cm weight 97 gm
Condition: The specimens have some good preservation and detail , particularly seen under magnification code 5673
