This must have been a special stone for the builders of Stonehenge to transport it 150 miles from its home in the Preseli Mountains several thousands of years ago. Strong connection to the earth. 

Can help with connect with Celtic roots or specific past lives because of its ancient energy. Since it is a mix of minerals it is said to act like a battery that will give you a spiritual boost.  

Throat Chakra (5th - Vishuddha) and Heart Chakra (4th - Anahata)