Septarian Nodule Slice opals 267 (1438): 7–16

267 (1438): 7–16

sourced from Oregon

Fossil Clam Shell (Mercenaria permagna) with beautiful honey calcite crystals from Ruck's Pit in Fort Drum

Bone size approx

The design patterns are natural

Septarian Nodule Slice opals 267 (1438): 7–16Stunning 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