Fish Fossil - Knightia Eoceana Fluorite depending on the presence of

depending on the presence of minerals like manganese or iron during the formation of the crystals

A silicone-based mineral closely related to quartz and agate

Aquamarine is a form of Beryl crystal long sought after as a gem and precious stone due to its beautiful blue-green hue and clarity

with the largest known being over 10 feet in length and weighing over 3 tons

which is a brilliant mineral in the aragonite family known for its twinning crystalline structure and delicate form

Fish Fossil - Knightia Eoceana Fluorite depending on the presence ofDuring 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