Obsidian Skull Brazil These pieces are polished into

These pieces are polished into the shape of a palm stone

creating striking silver or gold-toned patterns within the stone

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

secondary copper mineral formed by weathering of copper ores

Obsidian Skull Brazil These pieces are polished intoObsidian is a naturally occurring volcanic glass, an extrusive igneous rock, formed when volcanic lava rich in silica cools rapidly and forms without the formation of crystals. These pieces are polished into a skull shape. You will receive one piece selected from our current stock. All pieces are of similar size and quality. Average Dimensions: 2. 0 L x 1. 25 W x 1. 5 H inches Average Weight: 3. 8 ounces