Kimberlite

Kimberlite
Sometimes referred to as the “Stone of Freedom”
It is the matrix stone in which diamonds are found
Assists you when you are undergoing trauma or transformation 
A great stone to work with during meditation, as it encourages out of body journeying
One may experience healing of the mind, body and soul while meditating with it
Brings a soothing sense of peace and well being
Teaches how to let go of resistance
A magical stone
It is comprised of carbon, limonite, garnet, hypersthene, among other minerals
 
These are priced by weight and not necessarily by size.