Natural History - White Pecopteris Fossil Fern Group

CARBONIFEROUS PERIOD, 359-299 MILLION YEARS B.P.

7 7/8 - 8 1/4 in. (1.34 kg total, 20-21 cm).

Contained in a matrix with specimens to both sides. [2, No Reserve]

Provenance

From St. Clair, Pennsylvania, U.S.A.
Acquired during the 1980s.
From the Pradi Collection, Boston, U.S.A.

Footnotes

These fern fossils commonly found in coal-mining areas worldwide. However, the St. Clair ferns are treasured for their rarity and beauty, a result of the fossilised ferns gaining a coating of the mineral pyrophyllite which contrasts with the natural black shale matrix.

CONDITION

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LOT 2524