The vibration of Selenite is very high but also very calming, so it is excellent for clarity, understanding and concentration, as well as keeping specific areas of a room clear of unwanted energy. It can also be used to form a protection grid in the home.
The crystal forms in a linear "spear" shape, and the energy is directional. It can be used to cleanse other crystals and crystal jewelry simply by laying them on the selenite, usually overnight, and can also be used to recharge crystals that feel a bit "flat", by directing the point of the spear towards the crystal, for a period of time.
Palo Santo has properties capable of resetting energy that was tainted by negativity or conflict. It also is thought to neutralize issues before they ever start. It even has the power to attract sacredness and benevolence to a space.