Turquoise is also a calming stone that can induce internal serenity and lift depleted spirits. Not only will turquoise help to flush negative emotions from the mind, it is also said to support detoxification of the body. Because it aids tranquillity and protection, turquoise is a great stone to accompany meditation.
It is believed by healers that Onyx crystals connect you with the realm of the night, where your true self can be found. Black onyx is a protection stone. Its purpose is to help prevent the drain of personal energy while at the same time absorbing and transforming negative energy.