found in rocks from the gravel-pit at Kücknitz,
Luebeck
North European Plain Germany
Geological Time: Paleogene Eocene
Heiligenhafener Kieselgestein
the image is made by Michael Hesemann,
the raw material is provided by
The identification is based upon:
Cicha, I., Rögl, F., Rupp, Ch. & Ctyroka, J.,, 1998: