Is Your Jade Real or Fake?
How to tell genuine jade from imitations
Jade has one of the worst fake-and-treatment problems in the stone world. Two separate issues stack: outright imitations (dyed serpentine, aventurine, dyed quartzite, glass, plastic) and treatments of real jadeite ('Type B' acid-bleached + resin-filled, 'Type C' dyed) that look like natural jade but are worth a fraction.
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Common jade fakes & look-alikes
- Dyed serpentine / quartzite. Sold as 'new jade' or 'Malaysia jade'; softer, dye pools in cracks, and color is often too uniform or too vivid for the price.
- Type B (bleached + resin). Acid-etched to remove brown then filled with polymer resin; looks glassy but fluoresces under UV and can show a slightly plasticky surface under magnification.
- Type C (dyed). Color sits in the fissures and looks like it was painted along cracks under a loupe, rather than growing evenly through the stone.
- Glass / plastic. Warm and light with mold bubbles or seams; lacks jade's dense cool heft and toughness.
Simple at-home tests
- 1Tap / clink test. Gently click two jade pieces together — genuine jade rings with a clear resonant 'clink'; glass, resin, and soft imitations give a dull click.
- 2Loupe the color. Natural jade color is evenly distributed in the grain; dyed jade shows color concentrated in cracks and boundaries.
- 3Feel, weight & hardness. Jade is cool, dense, and hard (jadeite ~6.5–7, nephrite ~6–6.5) — it won't scratch with a steel knife; serpentine and glass are softer or feel warm and light.
At-home tests are indicative, not definitive — for valuable pieces, get a professional gemologist's opinion.
The bottom line
A cool, dense, tough stone that rings when tapped and shows even color in the grain points to genuine jade — but only lab testing separates natural 'Type A' from bleached/dyed B/C, so buy fine jade with a certificate.
FAQ
- How can I tell if my jade is real?
- A cool, dense, tough stone that rings when tapped and shows even color in the grain points to genuine jade — but only lab testing separates natural 'Type A' from bleached/dyed B/C, so buy fine jade with a certificate.
- Why is some jade worth thousands and some worth $20?
- Natural untreated jadeite ('Type A') with even green color is scarce, while most affordable jade is nephrite or acid-treated/dyed jadeite worth far less.
- What's the difference between jadeite and nephrite?
- Jadeite is rarer and harder and produces top-grade Imperial green; nephrite is tougher and more common and was the classic historical jade of China and New Zealand.