Receives, amplifies & focuses spiritual energy, often used in healing work of all sorts. Brings in a very high vibration energy and is said to clear out EMF, radiation and any other unwanted energies. Boosts focus & prosperity. Helps one to love and appreciate the self and realize there is nothing more to "do" to become who one is, that it's actually just a matter of letting go of what we are.
Every stone does more than is listed here. The best way to choose is to use your intuition. Just because someone says a stone does or doesn't do something, doesn't make it true for you. I encourage you to use them as you feel called.