Cleansing: Emerald is sensitive, so it is best to use gentle methods. Smudging with white sage or palo santo is the safest way to cleanse it. A very quick rinse under clear water is possible, but prolonged immersion or the use of salt should be avoided as they could damage it.
Recharging: To recharge Emerald, expose it to moonlight, especially during the full moon, to restore and amplify its gentle energy. You can also place it on a quartz cluster or an amethyst geode for a few hours, which is an effective and non-aggressive method to revitalize it.