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

The darker color is caused by differing conditions and impurities during formation that changed over time leaving the area closer to the crystal's surface lighter or more transparent

A centerpiece for a serious collection or an incomparable stand alone statement

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

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

Pure fluorite is clear

Beautifully preserved on slabs of flat shale

silky and lustrous texture of these fibrous Malachite specimens from Congo combined with the incredibly rich color make them deservedly popular among collectors

5" Weight- 16

and branches that died under conditions that favor fossilization gradually become replaced with minerals until what remains is a replica of the original piece of wood consisting entirely of mineral material

The word copper originates from the latin for the island of Cyprus

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

red and many other colors corresponding to their physical makeup and conditions when the mineral was formed