Boji stone
Boji stones rank among the rarest precious stones. Boji stones are said to be as old as the planet Earth itself. Boji stones occur only in one single place in the world, in the United States, Kansas.
Boji stones have excellent protective and grounding capabilities. They help eliminate various emotional problems, stimulate the flow of energy through the meridian system. Some boji stones even greatly facilitate astral traveling.
Chemical symbol: FeS2 + FeOOH. n H2O, Hardness: 7.4 Crystalline system: cubic