Selenite Crystals Tyrannosaurus Rex Some 60 vertebrate taxa have

Some 60 vertebrate taxa have been described from the formation

Trilobites were a highly diverse group of organisms that inhabited shallow sea floors and reefs during the Paleozoic Era

9 million years a go existing for approximately 26

These medium sized fishes usually could reach a length of 30 centimeters (12 in)

and one of the most important dinosaur specimens from any age and any locale

Selenite Crystals Tyrannosaurus Rex Some 60 vertebrate taxa haveNOTE THAT YOU WILL RECEIVE A SPECIMEN OF EQUAL OR BETTER QUALITY THAN THE ONE SHOWN Rare Needle Form of Gypsum Selenite is a form of the mineral Gypsum (Hydrated Calcium Sulfate CaSO4 2(H2O). These crystals of Selenite are of a rare needle like variety. Some Selenite crystals are up to 50 feet long. Gypsum is one of the more common minerals in sedimentary environments. It is a major rock forming mineral that produces massive beds, usually from