The various minerals that make up these crystals means that their qualities are quite diverse. Each crystal is made up of a combination of different minerals, which makes for a wide variation between pieces.
The metaphysical properties of these stones relate them having interesting and diverse effects within the life of anyone who decides to use them.
Because each of the individual minerals within the stones have a separate effect, they may vary in how strong a particular stone may be for a specific reason.
Deposits of this unusual stone have been found in England, Spain, Madagascar, Australia, New Zealand, Canada and the USA.
Each piece is a mixture of colors, and individual stones vary quite considerably. Septarian stones are often quite beautiful, with the common colors being combinations of yellow, brown, white and/or grey.
These stones formed around 50 million years ago, with liquid filled with mineral matter being deposited into fissures, and then solidifying like concrete in these fissures, called concretions.