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

This naturally occurring form of relatively common pyrite remains highly sought after by collectors as a specimen or for use as a gem or in jewelry

from the Upper Silurian age

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

several include multiple pipefish specimens on the same slab

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

A relatively new and exciting addition to the mineral world

many of which feature coatings of fine

sometimes in the same formations

from the Cambrian age

These incredible specimens of natural uncut aquamarine from Mount Little Xuebaodoing in Sichuan

A widespread and industrially important mineral

These unique fossil specimens show excellent articulation and detail of each body segment