Fish Fossil - Knightia Eoceana Amber Approx 420 million years old

Approx 420 million years old

a ghost or phantom of the crystal during its formation still remaining in the interior

it is largely mined as an industrial ore across the globe

Aragonite is an incredibly variable mineral

The name fluorite comes from its use as a flux

Fish Fossil - Knightia Eoceana Amber Approx 420 million years oldDuring 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