Rainbow Moonstone Sphere egg Bismuth is a relatively rare

Bismuth is a relatively rare metal found in the Earth's crust in hydrothermal veins

The iridescence is caused by the unique crystal structure in the layers of aragonite that make up the shell and how it reflects light

Ammonites were ocean-dwelling mollusks that lived from the mid-Devonian (388 million years ago) through the Cretaceous (66 million years ago)

These mountains border China and Pakistan

Rainbow Moonstone Sphere egg Bismuth is a relatively rareMoonstone is a variety of orthoclase feldspar. It displays an opalescent Shiller, often reflecting blue or rainbow colors. You will receive one polished sphere selected from our current stock. All pieces are of similar size and quality. Average Dimensions: 2 L X 2 W X 2 H inches Average Weight: 0. 37 lbs