Not all crystals are water safe. Depending on the crystal, water can cause your crystals to dissolve, break, oxidize, and even become toxic. Learn how to know what crystals are safe in water inside this post.
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Water Safe Crystals: How to know if a crystal is safe in water

When working with crystals and water, the essential thing to remember is that not all crystals and stones are water safe. Depending on the crystal, water can cause your crystals to dissolve, break, oxidize, and even become toxic. And it’s for this reason why it’s crucial to research your crystals before you submerge them in water. 

So how do you know if a crystal is water safe? I’ve included my step-by-step process for choosing water-safe crystals below.  

Note: I am not a medical practitioner; check with your doctor before engaging in these suggestions to ensure it is right for you. Follow the suggestions here at your own risk. Some of the links below are affiliate links, which means I might earn a small commission at no additional cost to you if you love something as much as I do.

Not all crystals are water safe. Depending on the crystal, water can cause your crystals to dissolve, break, oxidize, and even become toxic. Learn how to know if a crystal is water safe inside this post. #crystalhealing #watersafecrystals #stonesandcrystals #crystalsandstones #crystalelixirs #crystalbath

How to Choose Water Safe Crystals

Below you will find my step-by-step process for choosing water-safe crystals. This process was created so that an informed decision can be made when choosing crystals to use in water.

(1) Identify your crystals.

What type of crystal do you have in front of you? Is that crystal mixed with other crystals? You need to be certain of the kind of crystal or stone that you have in front of you.

If you have difficulty identifying a crystal on your own, you can search for it on the internet, ask around at a crystal store, or even look at the crystal pictures found in a crystal reference book. You can find my favourite and highly recommended crystal reference books here. If you don’t know what type of crystal or stone you have, do not use them in water.

(2) What chemical elements are contained in your crystals?

It’s important to research the chemical elements of any crystal before using them in water. Certain crystals can contain chemical elements which are toxic to the human body.

For example, malachite is a commonly found crystal that is toxic. Malachite Cu2(CO3)(OH)2 (Mindat.orgcontains copper. Copper is an essential nutrient; however, it is only needed in small quantities in our bodies. Excess copper in the body can disrupt healthy metabolic function by creating mineral imbalances (Nutritional Balancing: Oct 2016). Excess copper can cause symptoms such as fatigue and exhaustion, depression, and paranoia; the list of side effects from copper excess inside the body is long. Excess copper is very toxic. Therefore, do not use Malachite in baths or gem elixirs. However, you can still use malachite in safe alternative ways, such as meditating with it or using it in crystal grids.

Other examples of common toxic crystals include cinnabar (which contains mercury), mohawkite (which contains copper and arsenic), and chrysocolla (which contains copper).  

You also need to watch for crystals containing iron (Fe). Crystals containing iron can oxidize and rust when submerged in water. Examples of crystals containing iron are hematite, pyrite, magnetite, pyrrhotite, and hypersthene.

(3) What is the hardness of your crystals?

Water can damage certain crystals depending on their hardness. The Mohs hardness scale, created in 1812, can be used to determine the hardness of your crystals. The scale goes from a hardness of 1 (Talc) through 10 (diamond). All crystals will vary in their hardness depending on what type of crystal they are.

According to Hibiscus Moon, any crystals with a Mohs hardness of 5 or less should not be used in water. For example, selenite has a hardness of 2. If you were to soak selenite in water, it could eventually dissolve. Why? Well, it’s made up of salt. And we all know that salt dissolves in water. Certain crystals are also very soft and may degrade over time in the water.

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Combine any crystal with water with this crystal elixir water bottle!

If you’d like a way to work with any crystal and water, I recommend the Elixir2Go Crystal Water Bottle. The bottle comes with several crystal blend options, but my favourite part is that you can create your own crystal blends and switch the crystals out!

(4) What is your intention and what are you hoping to heal?

It’s important to have a clear intention when working with crystals. Are you working on a specific chakra? Or perhaps you are working on self-love? Whatever it is, you need to make your intention and find a crystal that can assist you with that specific thing.

Every crystal has different properties, and not all crystals will be able to assist you with everything. Just because a crystal falls under a specific category in a book or on the web does not mean it is the best stone for you. We are all made up differently, and what works for me may not work for you. So provided a crystal fits the criteria of a water-safe crystal above, I would follow your intuition and see what crystal speaks to you.

And those are the four steps to choosing water-safe crystals. Remember to always research your crystals before submerging them in water. If you follow these steps and are still in doubt, do not use them in water. 

Related: My Top 5 Favourite Crystals for a Crystal Bath

Interested in learning how you can confidently integrate crystals into your daily life? Learn more here >>

With Love,

Awakened Soul Perspective

Header Photo Credit: Brynden

What crystals do you enjoy using in water? Let us know in the conversation below!

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  1. Salmon says:

    Hi, what do you think of drinking rose quartz water? I read that quartz have aluminium.

    • Sara says:

      Hi Salmon,

      I love to put rose quartz in my water. Rose quartz is made of SiO2 which is silicon dioxide – silicon dioxide is water safe.

      As a rule of thumb, quartz crystals are typically good to go in water, but it’s always good to double check their chemical elements before use!

      Have a wonderful evening!

      With Love,

      Disclaimer: I am not a certified medical doctor, you follow the suggestions here at your own risk

  2. Mark M says:

    I have problems with reflux. I get a lingering bad taste in my mouth after eating and drinking, and it is worse when I’ve been sleeping (it also irritates my throat and mouth). Are there any crystals I could add to water that might help?

    • Sara says:

      Hi Mark,

      I’m sorry to hear about that.

      What comes to the top of my mind is Blue Lace Agate & Citrine.

      If you decide to try them out, I’d love to hear how it goes for you.

      Have a wonderful weekend,

      With Love,

      Disclaimer – I am not a certified doctor, you follow the suggestions here at your own risk.

      • Mark M says:

        Thanks Sara. I have some citrine stones so I will try them out. If I notice any difference to my symptoms I’ll let you know!

  3. Azzy says:

    Hi, Firstly I would like to tank you for this wonderful website Sara. Deeply grateful. I was wondering if you have any useful thoughts or facts regarding crystal bathtubs. if its safe? looking at longterm and is it a good investments? Thank you!

    • Sara says:

      Hi Azzy,

      Thank you very much for your kind words! In terms of the crystals being used in the bathtub, be sure to follow the guide to ensure it is a water safe crystal. But beyond that, unfortunately I do not have any knowledge on crystal bathtubs. I hope you have been able to find the answers you’ve been searching for!

      With love,

  4. Faith says:

    This is a really useful article – thank you! I used it as a source on my article:

  5. Thanks a lot, Sara for this crystal blog. Crystals are known to bring prosperity and happiness in life. Also, carrying a powerful crystal attracts love and happiness, and guards against those who would break your heart. Thus, choosing a crystal according to your problem is important.

  6. Chris Ram D says:

    Hello can I put a rainbow fluorite to drink water ? Is it safe ? Is because I bought a cristal bottle with the stone inside. And I don’t know if it’s safe or not !! Thank you

    • Sara says:

      Hi Chris,

      Fluorite contains fluorine which can become toxic when too much fluorine is ingested. Fluorine in small amounts is naturally present in water, air, plants, and animals. We are exposed to fluorine via food, drink, and even by breathing air. It’s essential for the maintenance of solidity in our bones. However, if it is absorbed too frequently it can cause harm to the body such as kidneys, nerves, muscles.

      I hope this answers your question.

      Have a wonderful day,

      With Love,

      Disclaimer: I am not a medical doctor. Always be sure to do your own research when it comes to your health and body. Use these suggestions at your own risk

  7. AB says:

    Hi, thank you for the article. Im wondering about the copper caution. I actually drink water from a copper water bottle for the health benefits. Is the copper in malachite different?

    • Sara says:


      Copper is an essential nutrient for our bodies, but only in smaller quantities. Like all minerals and essential elements, too much or too little copper in the body can cause adverse health effects (balance is needed). The copper in malachite is the same for all copper (though the amount of copper found in malachite will differ from the amount found in a water bottle) – excess copper can be toxic. Here is a link to a website that talks about copper toxicity and the symptoms associated with copper deficiency and copper excess:

      I hope the article is beneficial for you!

      With Love

      Disclaimer: I am not a medical doctor. Always be sure to do your own research when it comes to your health and body. Use these suggestions at your own risk.

  8. Rajib says:

    are spirit quartz, super seven crystal, moldavite & angel phantom safe to water ?

  9. Tai says:

    Is Aura Quartz fine to put into or ingest?

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I'm Sara! A writer, teacher & visionary dedicated to helping you live in alignment with your heart so you can create a life you love. Throughout my blog, video series, online community, and newsletter, I hope to inspire you in all the different facets of living more consciously from the heart. Learn More → 

I'm Sara! A writer, teacher & visionary dedicated to helping you live in alignment with your heart so you can create a life you love. Learn More → 

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