Identify a crystal from a photo

A crystal identifier narrows a stone to candidates using color, transparency and crystal shape, then hands you the check that settles it. Point the Gleamite camera at the stone: amethyst, quartz, calcite and their common fakes separate with one hardness test and one look at where the color actually sits.

How the crystal identifier works

Crystals are friendlier to photo identification than rocks: color, transparency and the shape of the faces carry real signal. The same three properties also power the classic tumbled-stone scams, which is why every match Gleamite returns names the fake it is most often confused with.

1. Step 1Shoot against daylightTransparency is half the evidence. Photograph the crystal on a plain surface, then once more held up to light so the app sees what passes through.
2. Step 2Read the candidatesRanked matches with reference photos: natural zoning patterns, typical habits, and the lookalike each candidate is confused with.
3. Step 3Check the color placementNatural color zones unevenly. Color pooled in cracks means dye; the app flags candidates where this check matters.
4. Step 4Confirm with hardnessA steel nail separates the quartz family from calcite and glass impostors in five seconds. Each match says what should and should not scratch.

The crystals people actually find

Most crystals that reach a kitchen table are quartz in one costume or another. The table covers the names that account for the bulk of real finds and gift-shop purchases, with the property that pins each one down.

Most rows above are one mineral wearing costumes: the full quartz-family portrait — varieties, fakes and the cleavage-flash trick — is in how to identify quartz. If the stone is dull, grainy or clearly a mixture, it is a rock rather than a crystal — the rock identifier handles those, and the rock identification chart is the manual version. Cut and faceted stones from jewelry play by different rules again; see the gem identifier for where photo evidence stops.

Dyed, baked and glass lookalikes

The crystal trade has three standard tricks, and all three fail simple checks. Dyed howlite impersonates turquoise: white stone, spidery veins, soaked in blue — acetone on a cotton swab lifts the color. Baked amethyst impersonates citrine: heating turns purple quartz orange, which is why deep-orange “citrine” points with white bases dominate gift shops. Glass impersonates everything: look for round air bubbles inside, which no natural crystal has.

Natural color zones unevenly and ignores cracks. Dye does the opposite: even everywhere except the cracks, where it pools darker.

None of this requires a lab. It requires knowing which check applies to which claim — which is exactly what the app puts next to every match, and what the app comparison checks the other identifiers for.

What this page is not

Gleamite identifies what a crystal is: species, variety, the checks that confirm it. Pages about what crystals mean, heal or attract are a different subject with different authors, and nothing here speaks to it. If a seller’s metaphysical claims come attached to a mineralogical one — “genuine citrine”, “natural turquoise” — this page and the app can test the second half. That is the half you pay for.