YELLOW CALCITE - is said to help the mind and body to remember information brought to bear during astral travel and channeling experiences; the body to remember the state of perfection during disease in order to return to the natural state of flawlessness.
BLACK ONYX - is a powerful grounding stone because of its strong affinity with the earth. Black onyx will stave off those negative energies and also put a stopper on your positive energies so they do not drain away, even in the presence of negativity. Truly, black onyx is a worthy energy shield for anyone.