You will  receive one similar to the picture - measures between 25 and 32mm

Said to be over 2 billion years old. 

It clears out mental pollutants so fresh patterns imprint, encouraging keeping wisdom of the past and applying to present to create a new future.

Said to have a powerful affect on the immune system, a detoxifier, antioxident, anti-inflammatory and antihistimine.

Absorbs harmful rays such as EMF, microwave as well as other pollutants harmful to the body.