Pyritized Brachiopod
Mediospirifer audaculus
Silica Formation
Middle Devonian
Silica, Ohio
A beautiful pyritized specimen perched on top of the ancient clay matrix. Excellent condition.
Matrix measures 2.5 inch x 1.5 inch Brachiopod measures 2 inch x 1.5inch
Gehard G.H. Muehle collection