here is a list of 40 crystals that can be damaged by salt, along with a brief explanation of why they are sensitive to salt:
1. Amazonite - May have a dulling effect.
2. Amber - Can be scratched and lose its luster.
3. Amethyst - May fade or lose color.
4. Angelite - Sensitive to moisture, which salt can attract.
5. Apatite - Can be scratched or damaged.
6. Aquamarine - May become cloudy or lose luster.
7. Azurite - Can be affected by the acidity of salt.
8. Celestite - Sensitive to moisture and may break down.
9. Chrysocolla - Can be scratched or damaged.
10. Fluorite - May develop surface fractures.
11. Halite - Highly soluble and dissolves in water.
12. Hematite - Prone to rusting when exposed to salt and water.
13. Labradorite - May lose its iridescence.
14. Lapis Lazuli - Can be damaged by salt's abrasive nature.
15. Larimar - Sensitive to scratches and loss of polish.
16. Malachite - Sensitive to acidity and may corrode.
17. Moonstone - Can be scratched or lose its sheen.
18. Opal - Prone to cracking and crazing.
19. Pearl - May lose luster and become damaged.
20. Pyrite - Sensitive to oxidation and may tarnish.
21. Rhodochrosite - Sensitive to acids and salt.
22. Selenite - Dissolves in water, including saltwater.
23. Serpentine - Prone to corrosion and discoloration.
24. Sodalite - May lose color or develop surface damage.
25. Sunstone - Sensitive to scratching and surface damage.
26. Tiger's Eye - Prone to losing its chatoyancy.
27. Topaz - This could be damaged by salt's abrasive nature.
28. Tourmaline - Can be scratched or lose its shine.
29. Turquoise - Sensitive to acids and can change color.
30. Uvarovite - Prone to corrosion and surface damage.
31. Vesuvianite - May lose luster or develop fractures.
32. White Howlite - Prone to damage from abrasive substances.
33. Zircon - Sensitive to scratching and surface damage.
34. Zoisite - May lose color or develop surface damage.
35. Kunzite - Sensitive to scratching and damage.
36. Rhodonite - Prone to surface damage and scratching.
37. Dumortierite - Sensitive to scratching and abrasion.
38. Dioptase - May corrode and lose luster.
39. Covellite - Sensitive to oxidation and may tarnish.
40. Smithsonite - Sensitive to acids and corrosion.
It's essential to research and understand the properties of each specific crystal before attempting to cleanse them, as improper cleansing methods can potentially harm these beautiful minerals.