How to Spot Fake Crystals: An Honest Field Guide (Including the Ones We Sell)

The crystal industry has a truth problem. Go to any market stall and you will find “citrine” that is burnt amethyst, “turquoise” that is dyed howlite, and towers of “natural quartz” that were melted down and poured into a mould last Tuesday. Almost nobody selling them will tell you which is which.

We sell crystals, so we are part of that industry. This guide is our attempt to be straight about it: how to test a stone yourself, the four categories of “not natural” you will actually run into, and — at the bottom — an honest list of the pieces in our own shop that are not mined out of the ground.

First: “fake” is the wrong word

Most misleading crystals are not fake. They are mislabelled. A glass “amethyst” is genuinely glass, and it may be sold as glass. A reconstituted quartz sphere is genuinely made of quartz — it just did not form in the earth, it formed in a factory. Those are different problems, and they deserve different prices.

The four categories, in order of how much they should bother you:

1. Glass or plastic sold as stone. The actual fraud. Common with opalite, “aura” pieces and cheap tumbled sets.
2. Dyed stone. Real mineral, artificially coloured. Bright pink “rose quartz”, electric blue “howlite turquoise”, neon agate slices.
3. Heat-treated stone. Real, but the colour is engineered. Almost all affordable citrine is roasted amethyst.
4. Reconstituted / “smelted” stone. Crushed natural quartz melted and re-poured. Real material, man-made shape.

Seven tests you can do at home

1. The temperature test (fastest)

Glass and plastic warm up in your hand within seconds. Natural stone stays cool noticeably longer. Pick up the piece, wait ten seconds, then touch it to your wrist or cheek. If it already feels body-temperature, be suspicious.

2. Look for bubbles

Hold it up to a window or phone torch. Round, perfectly spherical bubbles trapped inside mean glass — natural quartz has flat inclusions, veils, cracks and mineral specks, but never neat round bubbles.

3. Look for growth lines

Natural quartz often shows faint parallel striations on the prism faces, like fine scratches running across the crystal. Glass is uniformly smooth. On a raw quartz point these lines are usually visible to the naked eye.

4. The scratch test (only on pieces you own)

Quartz sits at 7 on the Mohs scale; glass is around 5.5. A steel knife blade (about 5.5) will not scratch real quartz but will mark glass. Do this on the base, not the display face. Never scratch a stone in a shop.

5. Check where the colour collects

Dyed stone gives itself away: colour pools in cracks, along drill holes and in surface pits, while the flat faces stay pale. Look at the hole in a dyed bead under a phone torch. Natural colour is distributed unevenly through the whole piece instead.

6. Weight

Glass is roughly 30% heavier than quartz for the same volume, and leaded glass heavier still. If a “crystal” sphere feels unexpectedly heavy for its size, that is a strong hint.

7. Perfection is suspicious

Nature does not produce forty identical, flawless, evenly coloured spheres. If every piece in a batch looks cloned — same size, same saturation, no inclusions, no chips — it came out of a mould or a dye vat.

Three specific stones worth knowing about

Citrine. Natural citrine is pale, smoky yellow-orange and fairly expensive. The bright orange, white-based “citrine” clusters that fill market stalls are roasted amethyst — real quartz, engineered colour. Not a scam if it is labelled, but it is not what the photo implies.

Opalite. Opalite is not a mineral at all. It is man-made glass with a milky, blue-glowing look. It is genuinely lovely and genuinely cheap, and it should be sold as glass. Our opalite moon necklace is exactly that: glass, priced as glass, and we would rather say so than call it a stone.

Pyrite. The opposite case. “Fool’s gold” is cheap enough that nobody bothers faking it, and it has a distinctive cubic, metallic structure that glass cannot imitate. A raw pyrite nugget is one of the safest “is this real?” purchases you can make — just keep it out of water, or it will rust.

The honest bit about our own shop

Since we are asking everyone else to be transparent, here is ours.

• Clear quartz spheres and balls listed as “smelting”: these are reconstituted — natural quartz crushed, melted and re-poured. Real quartz, factory-made shape. They are flawlessly clear precisely because they were not dug up. That is why they cost a fraction of a natural sphere.
• Merkabah pendulums listed as “smelting”: same category. Beautiful, consistent, and not geological.
• Opalite: man-made glass, as above.
• Everything listed as raw, rough, cluster or geode — including our quartz geode clusters, raw stone boxes and raw amethyst pendants — is natural, cut and cleaned but not reconstituted.

If you want a stone that was in the ground for a hundred million years, buy raw. If you want a perfect sphere for $19, buy smelted. Both are fine. What is not fine is charging raw prices for the smelted one.

Five questions to ask any seller

1. Is this natural, dyed, heat-treated or reconstituted?
2. Where was it mined?
3. Is there a coating or plating on it? (Aura and titanium-coated points are natural stone with a vapour-bonded metal layer — real stone, treated surface.)
4. Can I see the piece I am actually getting, not a stock photo?
5. What is the return policy if it is not what you described?

A seller who cannot answer the first one does not know what they are selling.

So — does any of this matter for the “energy” side?

Here is the honest answer, and it will annoy people on both sides: there is no evidence that a natural stone works better than a reconstituted one for any purpose anyone has ever measured. What matters is whether you like it, whether it was honestly described, and whether you paid a fair price for what you got. Buy the thing you will actually use, from someone who tells you what it is.