After doing some research on safe crystals, and how not to cleanse crystals, I stumbled upon some interesting things. So, I decided to cram the research into a list!
During research, I found that a shocking amount of crystals can’t be submerged/cleansed in water because they contain chemicals that will release in water. I also found that I few will disperse and even disintegrate in water!
You can use sandalwood incense, or another type of cleansing incense and hover your crystals in them. Especially since there’s a lot of crystals on my list that you either can't cleanse them in salt or water or both.
Salt is an effective cleanser for crystals too. But when cleansing them in water, you do not need to leave them in long enough for certain minerals to break down. It’s all about your intention.
As a general rule, don't put Porous Stones in water! (Also Desert Roses are basically just sand loosely packed together, so DON'T!) Another I can think of would be not putting Sulfur Crystals in water because I don't know exactly what would happen, but it probably won't end up good. Always research your mineralogy before using them in spells or otherwise!
Just use earth, energy, or moonlight. Water, sun, and salt damage most if not all crystals.
1.Aquamarine
2.Turquoise
3.Pyrite
4. Ruby
5. Moonstone
6. Lapis Lazuli
7. Halite (I mean…it IS a salt crystal)
8. Garnet
9. Flourite
10. Amazonite
11. Desert Rose (I just found this out and I’m glad I did because I have one!)
12. Gypsum
13. Talc (just don’t do it)
14. Calcite
15. Angelite
16. Malachite (Really soft, massively toxic in water, even touching the water it’s in is dangerous itself!)
17. Witherite (just don’t…just don’t)
18. Any crystal containing copper!!
19. Selenite
20. Celestine
21. Cinnabar (REALLY NEVER)
All I’ve got for now! If there's something that I forgot to mention and that's not on this list, please let me know and I will add it to this list.
Links:
Choose and Cleanse Crystals for Healing
Kisses and Chaos - How to Charge Crystals Using The Full Moon