Fish Fossil - Knightia Eoceana Ruby petrified wood is not wood

petrified wood is not wood at all but rather the fossilized remnants of trees from millions of years ago

sometimes including growth rings

or white lead ore

Not technically an agate

Tree trunks

Fish Fossil - Knightia Eoceana Ruby petrified wood is not woodDuring the Eocene, 40 50 million years ago, vast shoals of freshwater fish inhabited a large shallow inland sea across the American West. The herring like fish of the genus Knightia were far and away the most abundant freshwater fish during this era, and because of this they are one of the most frequently found vertebrate fossils on earth. Originating from the famed Green River Formation in Wyoming, fossils of Knightia eocaena and their close