Crystals can be charged up and cleansed by sound and in Moonlight. Selenite can also Charge up Crystals along with cleansing them. Selenite is a crystal too and will need to be charged as well…

>Selenite Charging and Cleansing

https://crystalinspiration.com/how-to-charge-crystals-with-selenite/

https://www.wikihow.com/Cleanse-Crystals-with-Selenite

https://buddhaandkarma.com/blogs/guide/how-to-cleanse-and-charge-crystals-with-selenite

>Charging Crystals in Moonlight

https://www.crystals.com/blogs/news/how-to-cleanse-charge-your-crystals-with-the-full-moon

>Charging Crystals with Sound

https://dreamsandcrystals.com/how-to-charge-crystals-with-sound-vibrations/

>Sound Cleansing Crystals

https://www.crystaldigest.com/cleansing/sound/

>Cleanse and Charge Crystals with Singing Bowl

https://www.theohmstore.co/blogs/our-stories/how-to-cleanse-and-charge-crystals-with-singing-bowls-8-ways-and-7-tips