Ammonite fossilized in Pyrite or "fools gold" from Russia

Ammonite fossilized in Pyrite or "fools gold" from Russia. They have been sliced in half to show the internal chamber the animal used for ballast to vary its swimming depth in the ocean. From the Volga River, Saratov Region of Russia. These are about 150-175 million years old. Available in single, doubles ad triples, priced from $200 to $600.
By Nature Gallery Beaver Creek
Market Square, Unit C-10
61 Avondale Lane
Beaver Creek, CO 81620
Phone: 970-949-1805. fax 970-845-8878
beavercreak@bynaturegallery.com
By Nature Gallery Aspen
Aspen Square Building, Suite 104
605 East Cooper Avenue
Aspen, CO 81611
Phone: 970-0299, fax 970-544-0298
aspen@bynaturegallery.com