2" Pyritized Kosmoceras Ammonite Fossil

 
This is a stunning pyritized Kosmoceras ammonite from the Ryazan region of Russia. These pyrite replaced fossils have been polished to reveal the inner chambers which are full of druzy pyrite crystals. The spectacular ammonites are Upper Jurassic in age, approximately 160 million years old. Photos don't do this specimen justice.
DETAILS
SPECIES
Kosmoceras sp.
LOCATION
Mikhailov quarry, Ryazan region, Russia
SIZE
2" wide
CATEGORY
SUB CATEGORY
ITEM
#15707
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