Fish Fossil - Knightia Eoceana Iceland Spar A relatively new and exciting

A relatively new and exciting addition to the mineral world

These pieces of cuboidal fluorite crystals in varying shades of dark green occur on a high contrast white-gray matrix

both extinct and modern

with particularly high shine or uniquely shaped pieces prized by collectors

Fish Fossil - Knightia Eoceana Iceland Spar A relatively new and excitingDuring 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