Septarian Nodule Slice opals The mineral pyrite or iron

The mineral pyrite or iron pyrite is commonly referred to as Fool's Gold because its metallic luster and pale brass-yellow hue give it a superficial resemblance to gold

Kunzite is the best-known variety of spodumene

" This means that Dimetrodon is grouped with mammals in the evolutionary group Synapsida

southern Germany

both species played vital roles in their ancient ecosystem

Septarian Nodule Slice opals The mineral pyrite or ironStunning septarian nodule slice measuring approx. 6. 5" x 5. 25" x 0. 375" Utah Septarians are found in Southern Utah, about 15 miles from Zion National Park. Septarians were formed sometime during the Cretaceous Period, also known as the age of dinosaurs, between 144 to 65 million years ago. During this period of time what is now known as the Gulf of Mexico extended into present day Utah, forming a vast interior sea. On this ancient seabed