3 1/2 " Tall Septarian e8993852685725bfc93c4d0ee2096cd4

3 1/2 " Tall Septarian e8993852685725bfc93c4d0ee2096cd4These strange and handsome Geodes are from the Henry Mountains of Utah. Originally formed in an ancient sea floor some 50 70 million years ago, sediment collected around sea life as they decomposed, forming a concretion. Calcium carbonate from the shells of these creatures began to take a new form over time, creating calcite crystals and bands of aragonite. As the oceans receded, these mud balls hardened, shrinking and cracking in the sun. The gold

often lapis lazuli

Although there is some evidence of man's contribution

With Stegosaurus well armored plating and deadly spiked tail

bizarre creature

and pink chatoyance over a semi-transparent grey body

specialized

Animal Speak

they belong to a separate class

Heteromorph Ammonites had uncoiled shells

It was believed by both ancient Romans and Greeks

where it can be naturally smoothed and polished

"nearly 90%"