Fossil Fish (Knightia sp.) - Green River Formation Stone: Assorted Stones on Green

Stone: Assorted Stones on Green Aventurine

a giant meteorite split

Length: 18 in

This process is the replacement of organic material with other minerals such as quartz once the wood has been covered by dirt and debris

especially those depicting the Virgin Mary

Fossil Fish (Knightia sp.) - Green River Formation Stone: Assorted Stones on GreenHere is a gorgeous display plate of a natural, non dyed specimen from the Green River Formation. This is a large plate that will catch attention in any collection. Perfect as the centerpiece in a fossil case or mantel! Knightia sp. is an extinct genus of freshwater bony fish that thrived in both North America and Asia during the Eocene Epoch (56 to 33. 9 million years ago). This Epoch took place during the Paleogene Period. This genus was first