Fish Fossil - Knightia Eoceana Iceland Spar These pieces of cuboidal fluorite

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

Found in a variety of shapes and colors

and other materials all originating from the Yindu Mine in Inner Mongolia

Flexycalymene Trilobite Geodes are approx

Amethyst has been sought after since ancient times as a gemstone and decorative object

Fish Fossil - Knightia Eoceana Iceland Spar These pieces of cuboidal fluoriteDuring 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