Atlantisite - They are excellent aids in protecting your loved ones, your possessions, and your physical security. They are very useful in protecting houses and homes, property, and valuables. If you have prized possessions you want to guard and protect, use a Guardian crystal. They are also useful for travelers and adventures to take with them on their travels as insurance against harm. They are useful for emergency workers, soldiers, sailors, and airmen in the performance of their dangerous duties.