Which crystals cannot go in the water?

Any crystals that are 5 or below on the Mohs Harness scale. Mohs Hardness scale is from 1-10 of the hardness of certain minerals. These crystals will dissolve or crack if left submerged in water for extended amounts of time.

Astrology-Crystals

The softer the material, the more likely they are to be damaged by water. Although there are a few hard crystals that should be kept out of water as well. Most Crystals ending in -ite should be kept out of water (Selenite, Lepidolite, Azurite, Malachite, Calcite, Angelite, Halite (rock salt), Celestite, Fluorite, Rhodochrosite, Ammolite). Harder crystals that shouldn’t contact water include Magnetite (lodestone), Hematite, Tangerine Quartz. Jade must also not be submerged underwater for too long but can be used with running water.

What crystals are safe in water?

Most Quartz crystals such as clear quartz, Amethyst, Smoky Quartz, Rose Quartz, Citrine, snow quartz, Agate, Aventurine, Jasper, Tigers Eye. Soft crystals that are safe in water include amber, Jet stone and chrysocolla

How Can I safely cleanse with water?

You can use a non-contact method: place a glass of water next to the crystal overnight
Lightly mist them: fill a spray bottle with water and from a safe distance, spritz the crystals in the air. Place in sunlight for 15 minutes to dry and charge in the sunlight. You may add Clear Quartz to the bottle for a nice energetic cleanse