This Ancient stone said to be around 2 billion years old. Alleged to ground spiritual energy to bring it into the Earth plane existence. Also used to bring Light into the auric energy field, allowing positive energy only to reach within that field. This brings not only physical protection, but also psychic protection. It is said to be protection against the evil eye and negative energies.
It is only found in the Karelia area in Russia, and is not new to people of the region, as Czar Peter was known to have come to the region to use water that had been infused with this mineral.