How To Activate Crystals With Water. If the water is polluted, crystals won't help. Healing stones can be cleaned in water taken from the river.
Hold the stone under running water for a few minutes. Salt water is very effective for cleansing stones. Pearl, coral, and emerald shouldn’t be soaked for more than a few minutes.
Since they are resonators, you can activate your crystal with sound through song or toning.
There are systems developed for that use. Crystals that can’t be cleansed in water. Many people activate their crystals by rubbing them between their palms, breathing on it, or holding it close to their bodies. Sometimes, a crystal can be a sleeper, and needs to know it is going to be used for healing or meditative purposes.