How to Clean Opal Jewelry

by Daniel Bourgeois June 4, 2025

Opals are stunning gemstones known for their vibrant play-of-color and delicate composition. However, cleaning opal jewelry requires a gentle touch. In this guide, we’ll walk you through how to clean opal jewelry safely and effectively—without damaging these delicate gems.

Why Opals Need Special Care

Unlike harder gemstones like diamonds or sapphires, opals are soft and porous. Most opals contain up to 20% water, making them susceptible to sudden temperature changes, harsh chemicals, and even dehydration. Whether you own a solid opal, doublet, or triplet, cleaning it the wrong way can cause irreversible damage. It should be noted this does not apply to gilson opals, which are what I make most of my jewelry from.

Step-by-Step: How to Clean Opal Jewelry

1. Gather Your Supplies

You’ll need:

A soft microfiber cloth
Mild, chemical-free soap
A bowl of lukewarm water
A soft-bristled toothbrush or cotton swab (optional)

2. Prepare a Gentle Cleaning Solution

Mix a few drops of mild soap (like baby shampoo or dishwashing liquid) in a bowl of lukewarm water. Avoid hot or boiling water, which can crack or craze opals.

3. Clean the Jewelry Gently

Dip the microfiber cloth into the soapy water.
Gently wipe the opal surface to remove dirt and oil.
Use a soft toothbrush or cotton swab for hard-to-reach areas—especially for rings or earrings.

4. Rinse and Dry

Rinse the piece under lukewarm running water (if it’s a solid opal).
Pat dry immediately with a clean, soft cloth.
For doublets or triplets, skip rinsing and wipe with a slightly damp cloth instead to avoid moisture seeping between layers.

What to Avoid When Cleaning Opals

Ultrasonic Cleaners: The vibrations can cause fractures.
Harsh Chemicals: Bleach, ammonia, and jewelry cleaners can damage the stone.
Abrasive Materials: No scrubbing pads or gritty pastes.
Soaking Doublets or Triplets: These layered opals can delaminate if water gets between the layers.

How Often Should You Clean Opal Jewelry?

Clean your opal jewelry once every few weeks, or whenever it appears dull. Always inspect your jewelry for loose settings or damage before cleaning. For valuable or antique opals, consider professional cleaning.

Extra Tips to Keep Opals Looking Their Best

Store Separately: Keep opals in a soft pouch or lined box to prevent scratching.
Avoid Extreme Temperatures: Take off your opals when using hot tubs, saunas, or cold environments.
Wear Often: Believe it or not, wearing opals can help keep them hydrated from ambient humidity.

Of course, you can enjoy all that opals have to offer and avoid all this cleaning by buying gilson opals encased in glass, which is how I make them. Click here to see what I have to offer!