Turquoise is one of the softest stones people wear every day. It sits around 5 to 6 on the Mohs scale — softer than glass, softer than a steel file, softer than most of what shares a drawer with it. It's also porous, which means it doesn't just get dirty on the surface. It drinks.

Caring for turquoise cabochons comes down to four habits: keep them away from chemicals, keep them out of sustained heat and sunlight, clean them with nothing stronger than a damp cloth, and store them so they never touch another stone. Do those four things and a cabochon will look the same in twenty years as it does today.

Skip them and the damage is usually permanent. There's no putting the oil back out of a porous stone.

Why Does Turquoise Need Special Care?

Most gemstone care advice is written for quartz, corundum, and diamond — hard, dense, chemically stable materials that shrug off an ultrasonic bath. Turquoise is none of those things, and applying general gemstone advice to it is how good stones get ruined.

How Porosity Actually Works

Turquoise is a hydrated copper aluminum phosphate. The word doing the heavy lifting there is hydrated — water is part of the mineral's actual structure, not just something sitting on it. The stone forms with a network of microscopic pores running through it.

Those pores are why turquoise takes such a beautiful polish, and they're also its weakness. Anything liquid that touches an untreated stone gets wicked inward: skin oil, lotion, perfume, cleaning solvents, even water carrying dissolved minerals. Once something is in the pore network, no surface cleaning reaches it. The stone has changed from the inside.

Sustained heat causes the opposite problem. Drive the structural water out and the stone can lighten, dull, or develop hairline crazing across the surface.

Natural vs. Stabilized: Two Different Care Regimes

This is the single most useful distinction in turquoise care, and it's the one most guides skip.

Natural turquoise is untreated and unaltered — exactly as it came out of the ground, cut and polished and nothing else. The pore network is wide open. It's the material collectors seek out, and it's the material that needs genuine care.

Stabilized turquoise has had resin drawn into those pores under pressure, hardening the stone and effectively sealing it. This is standard, disclosed industry practice, not a shortcut — a great deal of beautiful turquoise is too soft to cut or wear without it. A stabilized stone resists oil, water, and chemicals far better than a natural one, and it's considerably more forgiving at the bench and on the finger.

Neither is better. They're different materials with different needs.

Situation	Natural	Stabilized
Brief contact with water	Dry immediately	Fine
Soaking or submersion	Never	Avoid, but not a crisis
Skin oil and lotion	Absorbs; color will shift	Largely resistant
Perfume, hairspray, solvents	Can cause permanent damage	Avoid — resin can be attacked too
Ultrasonic or steam cleaner	Never	Never
Daily wear in a ring	Expect visible change over years	Holds up well

Every cabochon on our site is labeled Natural, Stabilized, Composite, or Backed, so you always know which regime applies. If you're not sure what those labels mean for sourcing decisions, our designer's guide to choosing a turquoise cabochon breaks them down.

How Should You Handle Turquoise Cabochons?

Handling is where most avoidable damage happens, because it's constant and it doesn't feel like a risk.

• Wash and dry your hands before a session. Skin oil is the number one thing that darkens natural turquoise, and it transfers every single time you pick a stone up.
• Put on lotion, sunscreen, and perfume before you start, not during. Better still, keep them out of the studio.
• Work over a soft surface. A bench pad or folded towel turns a dropped stone into a non-event. A bare steel block does not.
• Handle high-grade natural material with cotton gloves or a soft cloth. Not necessary for stabilized stones, genuinely worth it for untreated collector pieces.
• Pick stones up individually. Scooping a handful means every stone in that handful is grinding against the others.
• Never test hardness by scratching. It works, and it leaves a permanent mark.

How Do You Clean a Turquoise Cabochon Safely?

What You Need — and What to Never Use

Use: a soft lint-free cloth (microfiber or flannel), lukewarm water, a soft dry brush for matrix crevices, and — only if you truly need it, and only on stabilized stones — the smallest trace of mild unscented dish soap.

Never use:

• Ultrasonic cleaners. The cavitation that lifts dirt out of a diamond drives water into turquoise's pores and can shake loose matrix free.
• Steam cleaners. Heat plus moisture plus pressure, all three of turquoise's problems at once.
• Commercial jewelry dips. These are ammonia- or acid-based and will strip color from turquoise.
• Alcohol, acetone, or any solvent. Solvents attack the resin in stabilized stones and soak straight into natural ones.
• Toothpaste, baking soda, or polishing compounds. All abrasive. All harder than your stone.
• Hot water. Lukewarm at most.

The Gentle Wipe Method, Step by Step

1. Dry-wipe first. Most of what's on a cabochon is dust and skin oil, and a dry microfiber cloth removes both. Often you can stop here.
2. Dampen the cloth — not the stone. Lukewarm water, wrung out until it's barely moist. Never run a cabochon under a tap and never let one sit in a bowl.
3. Wipe in small circles. Light pressure. You're lifting residue, not scrubbing.
4. Work the matrix with a dry soft brush. A clean makeup brush or soft toothbrush reaches into veining where a cloth can't. Keep it dry.
5. Dry immediately and completely. A fresh dry cloth, then let the stone sit out on a towel for a few minutes. Moisture left in a pore is moisture that stays.
6. Skip the soap unless you need it. If a stabilized stone has something greasy on it, one trace of mild soap on the damp cloth is fine — then wipe again with a clean damp cloth to remove any residue.

How Often Should You Clean Them?

Less than you'd think. Inventory that sits in storage needs a dry wipe when you photograph it or ship it, and that's about it. Stones you're actively handling at the bench get a dry wipe at the end of each session. Finished pieces in regular wear benefit from a dry wipe after each wearing.

Over-cleaning is its own risk. Every wet clean is another chance for moisture to get in.

What Damages Turquoise?

Chemicals and Cosmetics

The worst offenders are the ordinary ones: perfume, hairspray, lotion, sunscreen, hand sanitizer, nail polish remover, household cleaners, and chlorinated or salt water. Most are alcohol- or solvent-based, and they either soak into an untreated stone or degrade the resin in a stabilized one.

The rule for finished jewelry is old and reliable: turquoise goes on last and comes off first. Last thing before leaving, first thing on returning.

Heat and Sunlight

Sustained heat drives structural water out of turquoise. The result is fading, dullness, and occasionally fine surface crazing — and it cannot be reversed.

Keep stones out of sunny windowsills, away from radiators and heat vents, and out of parked cars. Don't leave inventory under hot photography lights longer than the shot needs. And never apply a torch to a piece with the stone already set — see our guide to setting cabochons for why that sequence matters so much.

Water and Prolonged Moisture

Brief incidental contact with water won't destroy a stone. Sustained contact is the problem — swimming, showering, dishwashing, soaking, or storing in a humid basement or bathroom.

Prolonged moisture in an untreated stone can lift color, darken the matrix, and in stones with a backing or a repair, weaken the bond. Stabilized material handles all of this far better, but "handles it better" isn't an invitation to wear it in a hot tub.

Why Does Turquoise Turn Green?

Two completely different things get called "turning green," and conflating them causes a lot of unnecessary worry.

Green that was always there. Turquoise gets its blue from copper. When iron substitutes for aluminum in the crystal structure, the stone forms greener. That's not aging or damage — it's the stone's chemistry, fixed since it formed. A green Carico Lake cabochon isn't a blue one that went off; it grew that way, and for many designers that's the whole appeal.

Green that develops over time. This is real, and it happens to untreated turquoise that absorbs oils — from skin, from cosmetics, from the air in a kitchen. The stone gradually deepens and shifts toward green, often unevenly, usually most on the surfaces that get touched most.

Whether that's damage or patina is genuinely a matter of taste. Some collectors prize a stone that has "worn in" over decades and would never want it any other way. Others want the color they bought. What matters is that it's a one-way trip: you can slow it with careful handling, and you cannot undo it.

Stabilized stones essentially don't do this, which is precisely why stabilization exists.

How Should You Store Turquoise Cabochons?

Individual Storage

The single rule: no cabochon should ever touch another stone. At 5 to 6 on the Mohs scale, turquoise loses to almost everything in your inventory — agate, jasper, quartz, and certainly any faceted material.

• Compartmented boxes — gem jars, bead organizers, or divided trays. Best option for working inventory you need to see.
• Soft pouches — one stone per pouch. Good for shipping and for higher-value pieces.
• Acid-free tissue — inexpensive and effective for bulk storage. Avoid newsprint; the ink transfers.
• Anti-tarnish strips — worth adding for finished silver pieces, though they do nothing for the stone itself.

Store flat rather than stacked. Weight resting on a domed stone concentrates on one point.

Temperature and Humidity

Ordinary comfortable indoor conditions are ideal — roughly 65–75°F and 40–50% relative humidity. What actually causes trouble is the extremes and the swings.

Avoid attics, garages, unheated storage, exterior walls, and anywhere near a heat source. Avoid basements and bathrooms on the damp end. If you're shipping in winter, let a package come to room temperature before opening it — going from a freezing truck to a warm studio in seconds is exactly the kind of thermal shock that finds an existing flaw.

Do Different Turquoise Varieties Need Different Care?

Somewhat. Hardness varies quite a bit between deposits, and a few materials sold alongside turquoise aren't turquoise at all.

White Buffalo Stone

Despite the name and the company it keeps, White Buffalo isn't turquoise — it's a naturally occurring combination of calcite, dolomite, and chert, containing no copper at all. That's why it's white and black rather than blue.

Care is similar with two differences: the calcite content makes it more sensitive to anything acidic, so keep it well away from vinegar, citrus, and acidic cleaners. And because the material is pale, absorbed oil shows as a yellowish cast rather than a green shift, and it shows sooner. Clean-hands discipline matters more here, not less.

The same goes for magnesite, which is also a light-colored, absorbent, non-turquoise material.

High-Grade Natural Material

Untreated stones from sought-after deposits are the ones worth building a routine around. Golden Hills, Royston, Number 8, Carico Lake, and Apache Nugget material carries a real price premium, and every one of these cabochons is one of a kind — if a stone is damaged, there is no replacing it with an identical one.

For this tier: gloves or a cloth when handling, individual storage without exception, and a dry wipe only. If you're holding a stone for a future project, photograph it when it arrives so you have a record of its condition and color.

Composite and Pressed Material

Composite and pressed cabochons are made from turquoise material bonded with resin. They're stable, consistent, and undemanding — the most forgiving option in the case. Ordinary care is plenty, though they still don't belong in an ultrasonic cleaner.

Can You Restore a Dull or Faded Cabochon?

When Re-polishing Helps

A lapidary can re-polish a cabochon, and for surface problems it works well. Fine scratches, scuffing, and a dulled polish all live in the top fraction of a millimeter, and taking that layer off restores the shine.

What re-polishing cannot fix is anything that went into the stone. Absorbed oil, chemical staining, and heat fading run all the way through. Removing enough material to reach clean stone would change the cabochon's dimensions and dome — and on a stone already set into a piece, that means it no longer fits its bezel.

Re-polishing also isn't free, and on modest stones it can approach replacement cost. It makes sense on high-grade or sentimental pieces and seldom on anything else.

Prevention Beats Restoration

This is the honest summary of the whole subject: turquoise care is almost entirely preventive. A microfiber cloth and a compartmented box cost very little. Restoration costs real money and only addresses one narrow category of damage. Everything else — the oil, the fading, the staining — is permanent from the moment it happens.

What Should You Tell Your Customers?

If you sell finished pieces, a short care card does two jobs: it protects the work, and it signals that you know your material. Worth including:

• Whether the stone is natural or stabilized, and what that means for wear.
• On last, off first — after cosmetics, before cleaning or swimming.
• Wipe with a soft dry cloth after wearing.
• Store separately, not loose in a jewelry box with other pieces.
• Never use jewelry dips or ultrasonic cleaners.
• That natural turquoise may deepen in color with wear — and that this is normal, expected, and part of the stone's character.

Setting method matters here too. A bezel protects the stone's edge and shields more of its surface; an open wire wrap leaves more of the stone exposed to skin contact and needs a bit more attention from the wearer.

A Simple Care Routine

Every bench session: clean hands before, dry wipe after, stones back in their compartments.

Monthly: spot-check stored inventory for dust, moisture, or stones that have migrated together. Confirm storage areas haven't gotten damp or hot with the season.

Quarterly: look over high-value pieces properly under good light. Compare against your intake photos. Check that pouches and dividers haven't degraded.

On arrival: photograph anything high-grade, note the treatment label, and file it where it belongs. Two minutes now is your baseline for every future comparison.

Three Turquoise Care Myths Worth Retiring

"Oiling turquoise keeps it healthy." No. Oil is the main thing that discolors untreated turquoise. Some sellers have historically used oil to deepen a stone's appearance temporarily, which is a very different thing from care.

"If it changes color, it was fake." Backwards. Color change over time is a sign the stone is untreated and porous — genuine natural material behaving exactly as natural material does. Stabilized and composite stones are the ones that hold their color indefinitely.

"Stabilized turquoise is fake turquoise." Stabilized turquoise is real turquoise that has had resin drawn into its pores. It's a disclosed, standard treatment that makes a great deal of beautiful material usable. Composite or reconstituted material — ground turquoise bonded into a new mass — is a genuinely different product, which is why we label all four categories separately.

Frequently Asked Questions

Can turquoise cabochons get wet?

Briefly, yes — a damp cloth is the recommended cleaning method. Prolonged exposure is the problem. Never soak, submerge, or run turquoise under a tap, and always dry it immediately and completely. Natural untreated turquoise is far more vulnerable to sustained moisture than stabilized turquoise.

How do you clean turquoise without damaging it?

Wipe with a soft dry microfiber cloth first, which handles most dust and oil. If more is needed, dampen the cloth with lukewarm water — not the stone — wipe gently in small circles, and dry immediately. Use a dry soft brush for matrix crevices. Never use ultrasonic cleaners, steam cleaners, jewelry dips, solvents, or abrasives.

Does turquoise change color over time?

Natural untreated turquoise can, gradually deepening or shifting toward green as it absorbs oils from skin and the environment. This is normal for porous material and is considered patina by many collectors. Stabilized turquoise, which has resin sealing its pores, holds its color essentially indefinitely. The change is permanent and cannot be reversed.

What causes turquoise to turn green?

Two separate things. Some turquoise forms green because iron substitutes for aluminum in its structure — that color was there from the beginning and is not a sign of aging. Separately, untreated turquoise absorbs skin oils and cosmetics over time, which darkens it and shifts it toward green. Keeping hands clean and stones away from lotions and perfumes slows the second process.

Should turquoise be stored in a specific way?

Store each cabochon separately so it never touches another stone — turquoise is 5 to 6 on the Mohs scale and is easily scratched by harder material. Use compartmented boxes, individual soft pouches, or acid-free tissue. Keep storage at ordinary room conditions, roughly 65–75°F and 40–50% humidity, away from windows, heat sources, and damp spaces.

Can you restore faded turquoise color?

No. Color loss from heat or chemical exposure penetrates the stone and cannot be reversed. A lapidary can re-polish a cabochon to remove surface scratches and restore luster, but that only addresses the outermost layer. This is why turquoise care is overwhelmingly about prevention.

Is it safe to wear turquoise jewelry daily?

Stabilized turquoise holds up well to daily wear. Natural untreated turquoise will show change over time from skin oil contact, so it suits occasional wear better, or a protective bezel setting. For either, put jewelry on after cosmetics and perfume, take it off before cleaning, showering, or swimming, and wipe it with a dry cloth afterward.

Start With Stones Worth Caring For

Good care preserves what's already there. It can't improve a poorly cut or poorly polished stone — so the best thing you can do for your collection happens before any of this: buy well.

Browse our cabochons, every one labeled by treatment so you know exactly what care it needs. New to sourcing? Start with our designer's sourcing guide, or read up on what cabochons are and how they're cut.