Tumbled Rainbow Moonstone (price is for one, intuitively chosen).

Psychic protection, lucid dreaming & calm sleep. Deflects negativity, eases emotional trauma. Connect with the energies and spirits of Nature, from plant devas to galactic consciousness.

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.