collection HEINRICH COTTA, Drawer 52-2, Ruedigsdorf site, Museum fuer Naturkunde Berlin
Drawer with 59 samples, 22 of which show features typical for
the cherts from the type locality of Scolecopteris
near Freital and probably 34 of the remaining 37 samples being really from Ruedigsdorf.
One petrified wood
sample is conspicuous for its fluorite mineralization typical for Chemnitz,
two others are of uncertain origin.