Opal Beaded Choker rutile While this Cretaceous period fish

While this Cretaceous period fish was by no means the most massive or dangerous predator of its time

For thousands of years

"Relative growth rates of predator and prey dinosaurs reflect effects of predation

Above: Map of the Fossil Lake and the other Eocene lakes in the area imposed over a modern state and city map

Opal Beaded Choker rutile While this Cretaceous period fishA gemstone almost alive with an intense inner fire, opals have held the attention of humans for many thousands of years. From Egypt and Greece to China and the Americas, ancient civilizations valued the beauty of opal, but it is only in recent history that we've come to understand the complex nature of this unique gemstone. This necklace is a beaded choker crafted with dozens of colorful opal beads across its length. Each bead is a unique and