Silicified Tabulate Coral Fossil Ordovician to Permian Period (438-458 million years old) Excavation origin: Eastern North America, US, Tennessee A large Favoscite specimen. White and cream silicate surface with a well defined 'honeycomb' form. An excellent selection for an ornamental display. Specimen measurements: 6 inches length x 4 1/2 inches width x 3 1/2 inches height; 2.4 lbs.