Net weight: 466g
Obsidian is a naturally occurring volcanic glass formed when lava extruded from only a young volcano cools rapidly with minimal crystal growth. 
 
Obsidian is not a gemstone, but it is an igneous rock. According to ancient superstition, Obsidian brings the energy of Earth, thus strengthening our spirit and healing our body. Ancient people called Obsidian “Satan’s claws’ fragments”. A legend says the stone was named after a Roman warrior Obsidian who brought this stone from Ethiopia. Astrologists consider Obsidian a stone of Pluto.
 
One of the most popular uses of black obsidian is to create a shield of protection to ward off negative or harmful energies, helps to absorb negativity that you may encounter. It works particularly good placing near the bed to guard your sleep, and eases night terrors.
 
In feng shui, the color black is connected to the water element. Water represents wisdom, depth, and fluidity. If these are qualities you’d like to bring into your life, it may be helpful for you to work with black stones such as black obsidian.