What crystals Cannot be cleansed in salt?
Also, what stones can be cleansed in salt water?
Follow your intuition. Some crystals that should not be submerged in water are: Selenite, Malachite, Lapis Lazuli, Fluorite, Calcite, Desert Rose, Labradorite, or Halite. Salt water soak. Just like you, crystals resonate highly to salt water soaks!
Also know, how do you cleanse crystals with salt?
Salt water If you're near the ocean, consider collecting a bowl of fresh salt water. Otherwise, mix a tablespoon of sea, rock, or table salt into a bowl of water. Make sure that your stone is completely submerged, and allow it to soak for a few hours to a few days' time. Rinse and pat dry when complete.
Since it also absorbs electromagnetic frequencies, tourmaline should be placed near electronics and computers. One of the best ways to clean black tourmaline is to soak it in salt water overnight and then wash it with water and let it soak in sunlight once in a month.