Am I Getting Scammed on This Crystal?

Scams in crystal bracelets are common — the USGS lists glass and plastics among frequent substitutes for natural gemstones, and U.S. net import reliance has been 99% of apparent consumption every year from 2021 through 2025, meaning beads pass through enough hands that swaps go unnoticed. Three home checks catch most glass and plastic substitutes without lab equipment: test scratch hardness, examine inclusions under a flashlight, then compare weight to a known-real piece.

Last updated: September 12, 2026

By Mara Ellison · Founding Editor, Dusk & Relic Journal

Which Checks Catch a Fake at Home?

A real quartz bead scratches steel, contains visible inclusions, and feels dense for its size — if any one of those fails, the bead is suspect.

Check	How	Pass (likely real quartz)	Fail (likely substitute)
Scratch hardness	Draw bead firmly across a steel knife blade	Quartz scores Mohs 7 (International Gem Society) — scratches steel, bead stays intact	No scratch on steel, or bead chips
Internal features	Shine phone flashlight through bead	Color zoning alongside two- and three-phase inclusions and negative crystals visible (IGS)	No internal features at all
Heft	Compare bracelet to a known-real quartz piece of the same bead size	Quartz specific gravity 2.651 (IGS) — feels solid	Noticeably lighter than reference

These three checks overlap, so a bead that fails even one deserves scrutiny.

Why Is Glass the Most Common Crystal Substitute?

The USGS reports that U.S. net import reliance for gemstones has been 99% of apparent consumption every year from 2021 through 2025 — and lists glass and plastics among the materials frequently substituted for natural gemstones. With that much of the supply imported, beads pass through several middlemen before reaching a retail bracelet. A seller buying strung beads in bulk may not know a batch was swapped upstream. That chain of custody is why running the checks above matters even when you trust the shop.

Does the Scratch Test Work on Bracelet Beads?

The scratch test is the fastest single check. Clear quartz scores Mohs 7 on the hardness scale according to the International Gem Society — hard enough to scratch a steel blade without damage to the bead. Run the test on one bead's side rather than the polished face; expect a small mark on the tested spot.

The scratch test confirms hardness, not identity. Citrine also scores Mohs 7 (IGS), so the test cannot distinguish between quartz varieties. A bead that passes is hard enough to be quartz; a bead that fails is not quartz.

What Should Real Quartz Look Like Inside?

Natural clear quartz contains color zoning alongside two- and three-phase inclusions and negative crystals, according to the International Gem Society. These features show up under a phone flashlight held behind the bead. Color zoning appears as subtle bands of slightly different transparency. Negative crystals — tiny cavities shaped like the host mineral — are a strong sign the material grew naturally rather than being poured into a mold. A bead with none of these features deserves a second look, especially if you are still trying to figure out which stones are in a multi-bead bracelet.

Chunky-cut beads make inclusions easier to spot. Clear Water (9mm clear quartz, $90) uses chunky-nugget beads where internal features stay visible through the irregular surface. Faceted beads like First Frost (8mm clear quartz, $105) refract more light, so tilt slowly under the flashlight to catch zoning.

How Do You Spot Fake Citrine?

Citrine is quartz, so it shares Mohs 7 hardness and 2.651 specific gravity with clear quartz (International Gem Society). The scratch test cannot separate citrine from heat-treated amethyst sold as citrine — both are genuine quartz. Color is the variable: heat-treated citrine may fade when exposed to heat (IGS), so a stone that loses saturation in warm conditions was likely treated rather than natural. If you are verifying whether citrine is natural and unheated, the scratch test alone is not enough.

Sunstruck (8mm citrine, $115) pairs raw-nugget citrine and lemon quartz with clear quartz beads in one bracelet, which makes side-by-side comparison straightforward — the clear beads serve as a built-in reference for heft and transparency.

Does Weight Give Away a Fake?

Quartz has a specific gravity of 2.651, and the International Gem Society describes this value as very constant across quartz varieties. That consistency is useful: a bracelet that feels lighter than a known-real quartz bracelet of the same bead count and size is probably not quartz. I'd keep one verified piece as a permanent reference — comparing by hand is faster than any instrument, though the comparison is only reliable when bead sizes match.

Golden Thread (10.5mm rutilated quartz, $115) works well for this because its gold rutilated quartz beads contain visible golden needles, so the inclusions double as their own visual authenticity check on top of the weight test.

What Should a Real Crystal Bracelet Cost?

Price alone does not prove a stone is real, but a large gap between claimed material and asking price is a signal. Amethyst Tide (8mm amethyst, $90) and Silver Lining (7mm clear quartz, $115) sit at opposite ends of the quartz-family bracelet range. If a listing undercuts that range by half for the same stone and bead size, checking whether the beads are glass rather than crystal is the logical next step.

FAQ

If my quartz bracelet is perfectly clear with nothing inside, is it glass?

Not necessarily, but it warrants extra testing. Natural clear quartz typically contains color zoning, phase inclusions, or negative crystals according to the International Gem Society. A bead with none of those features should get a scratch test and a weight comparison against a known-real piece.

Does the scratch test work on citrine and amethyst?

Yes. Citrine scores Mohs 7, the same as clear quartz, per the International Gem Society. All quartz varieties share this hardness, so the scratch test applies to amethyst and rose quartz as well.

Is heat-treated citrine considered fake?

Heat-treated citrine is real quartz — the crystal structure is genuine, just with color altered by heating after mining. The International Gem Society notes that heat-treated citrine may fade when exposed to heat again. Calling it fake is inaccurate; calling it treated is precise.

Does the scratch test damage my bracelet?

It can leave a small mark on the tested bead. Run the test on one bead's side rather than the polished face. The inclusion check and weight comparison are non-destructive alternatives worth trying first.

Can a single fake bead end up in an otherwise real bracelet?

Yes. With U.S. net import reliance for gemstones at 99%, beads often arrive from different batches and middlemen. Check more than one bead per bracelet when testing.

How heavy should a real quartz bracelet feel?

Quartz specific gravity is 2.651 and holds constant across varieties. Hold the bracelet next to a known-real quartz bracelet of the same bead size. If the suspect piece feels obviously lighter, it is likely not quartz. Subtle differences may need a jeweler's scale.

Do these tests work on non-quartz stones like moonstone?

The specific numbers change. Moonstone has a specific gravity of 2.56–2.59 per the International Gem Society and perfect cleavage in two directions, making it softer than quartz. Each stone family has its own reference values — look up the specific mineral before testing.