Fossil Fish (Knightia sp.) - Green River Formation Often considered a health stone

Often considered a health stone

It is also used for decorative purposes in home decor and jewelry

Many collectors pride themselves if they own high-quality cobaltoan calcite specimens

This is because it is rarely transparent and does not compare well with other high quality gems

Rainbow Moonstone

Fossil Fish (Knightia sp.) - Green River Formation Often considered a health stoneKnightia 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 described in 1907 and is closely related to herrings and sardines. This is the state fossil of Wyoming and is considered the most commonly excavated fossil in the world. This fist had thick scales with conical teeth. Some of