Carved PI XIU pendant is made of black obsidian, measure approx 28*15*12mm  

The listed price is for one Pair pendants, not including chain.

Obsidian is volcanic glass which is formed when hot lava cools. It is known for its positive energy vibration. Obsidian beads shields against negativity thus brings pleasure. It was always used primarily for tool-making and in jewelry for many centuries.