Crystals not to cleanse with Water or Salt

Generally speaking you will not want to use water or salt to cleanse crystals with a Mohs

hardness rating lower than 7. If you are ever unsure, use another method. Here is a list of

crystals you will not want to use water or salt with.

Any raw, uncut rough stone

Amber

Angelite

Azurite

Calcite (all)

Fire Opal

Imperial Topaz

Kyanite

Kunzite

Malachite

Moonstone

Opal

Red Coral

Selenite

Citrine, Kyanite, and Azeztulite are self-cleaning.