Fish Fossil - Knightia Eoceana

Fish Fossil - Knightia EoceanaDuring 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

honey gold Barite crystals atop a base of verdant green and purple Fluorite

Only known from a relatively small number of formations worldwide

It rarely occurs in crystal form but is often found in botryoidal or fibrous formations

Creedite is a rare mineral in the hydoxylhalide group and is often formed from the intense oxidation of fluorite formations

but most specimens have vivid color due to various impurities and are often fluorescent

An unparalleled collector's piece

One of the most widely recognized and unmistakable minerals

with color intensity usually deepest at the termination or tip of each crystal

Each contains at least one (most several) clearly visible insect

Paradoxides sp

so much that the local tribes people used to use these mudstones as currency in trade and other daily life

Kataoua formation