How to tell real Kingman turquoise from the fakes.

Why this guide exists

Most "turquoise" sold in tourist shops, casino gift stores, and online marketplaces is not turquoise. It's dyed howlite, magnesite, plastic resin, or reconstituted stone chips — sometimes mixed with real turquoise dust to fool a buyer into thinking it's the real thing.

We see it every week. Someone walks into our shop with a piece they bought on vacation and asks if it's real. Most of the time, it isn't. We don't enjoy telling people that. So here's the guide we wish more people had read first.

The five common fakes

1. Dyed howlite

Howlite is a soft, naturally white stone with grey or black veining. Dye it blue and it looks remarkably like turquoise — same matrix pattern, same color. Most "turquoise" sold cheap in airport gift shops, swap meets, and tourist boutiques is dyed howlite. The dye sometimes wipes off if you press an acetone-soaked cotton swab against the stone.

2. Magnesite

Same trick as howlite — natural white stone, dyed blue. Magnesite often takes dye more uniformly than howlite, so it looks "cleaner" and less varied. That's actually a tell: real turquoise has natural color variation across the stone.

3. Stabilized stone

"Stabilized" turquoise is real turquoise that's been impregnated with epoxy resin to harden it. Most lower-grade Kingman material on the market is stabilized — the mine produces a lot of soft, chalky stone that needs to be hardened to be wearable. Stabilized turquoise is real turquoise. It's not a fake. But it should be priced accordingly (less than natural, untreated stone).

4. Reconstituted (or "block") turquoise

Real turquoise dust mixed with epoxy and pressed into a slab, then cut into cabochons. Looks shockingly real because it actually contains turquoise. But it's essentially a man-made composite, and it should be priced like one — not like natural stone.

5. Plastic resin and "Block" plastic

Pure plastic, dyed and pressed. Common in cheap stamped jewelry. Lightweight, often warm to the touch (real stone stays cool), and the matrix pattern looks too uniform.

Eight ways to check before you buy

1. Ask the seller specifically. "Is this natural Kingman turquoise, or stabilized, or reconstituted?" A legitimate seller answers without hesitation. If they get vague, walk away.
2. Look at the matrix. Real turquoise has irregular, organic veining — branches, spider webs, irregular pockets. Dyed stone often has uniform veining or no veining at all.
3. Check the temperature. Real stone feels cool to the touch even after holding it for a few seconds. Plastic warms up immediately.
4. Look for color variation. A single real turquoise cabochon almost always has color variation across its surface. Uniform color is a warning sign.
5. Check the hardness. Real turquoise is 5–6 on the Mohs scale. You can scratch dyed howlite (3.5) with a fingernail. You can't scratch real turquoise.
6. Ask for a hot needle test. Plastic melts. Stone doesn't. A reputable seller will let you press a heated needle to an inconspicuous spot on the back. If it smells like burning plastic or leaves a melt mark, it's not stone.
7. Ask about the source. "Where was this stone mined?" A real seller knows. A vague answer ("the Southwest" or "American") is a warning.
8. Compare the price. Real natural Kingman turquoise costs more than dyed howlite. If the price is suspiciously low, the stone is suspicious too.

What real Kingman turquoise looks like

Kingman material has a distinctive look. Deep blue, often with green undertones. The matrix is usually dark brown to black, sometimes with golden tints from associated minerals. The matrix is irregular and organic, never uniform.

Higher-grade Kingman ("gem-grade" or "high-grade") has more saturated blue, less matrix, and is harder. Lower-grade has more matrix, softer color, and is more often stabilized. Both are legitimate Kingman material at the right price.

What to do if you've already bought a fake

Honestly? Most of the time, nothing. The seller is usually not local, the receipt is gone, and chasing a refund isn't worth your time. The lesson is for next time.

What you can do: bring the piece to a real turquoise shop and ask them to evaluate it. We do this for free. You'll know what you actually have, and you can decide whether to keep wearing it (it's still pretty even if it's not real) or replace it with something genuine.

Where to buy real Kingman turquoise

Buy from someone who can tell you exactly where the stone came from, who can show you the rough rock the cabochon was cut from, and who has been in business long enough to have a reputation worth protecting. Buy from the source area when you can — there's no faster way to verify provenance than buying twenty minutes from the mine.

Browse our collections: rings, necklaces and pendants, bracelets and cuffs, earrings, Indigenous artisan pieces, or custom design.

Related reading

• A short history of the Kingman turquoise mine
• How to care for turquoise jewelry so it lasts decades