We all have a deep inner knowing and pendulums magnify this energy; by working with a pendulum you can select which crystals are best for you or ask questions that you need answers to.
Dowsing has been used before time was even recorded and is still used today to find sources of water or oil. 
The length of the chains attached to these pendulums are 22-23cm. 
Please note- Bluestone is classed as a manmade crystal as it doesn’t naturally occur within the earth, but created primarily of quartz sand which is natural.