AltGems
Updated as of June 2026

How to clean and care for Dioptase

Reviewed by the AltGems editorial team · Updated June 2026

Soft and fragile with cleavage. Clean with a barely damp soft cloth. Avoid water soaks, ultrasonic cleaners, and acids.

Step by step

  1. Fill a bowl with warm water and a few drops of mild dish soap.
  2. Soak the piece briefly, then gently brush with a soft toothbrush. Be gentle, this stone is softer.
  3. Rinse in clean water (keep a strainer over the drain) and pat dry with a lint-free cloth.
  4. Store in a soft pouch away from harder gems that could scratch it.
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Frequently asked questions

How do you clean Dioptase?
Soft and fragile with cleavage. Clean with a barely damp soft cloth. Avoid water soaks, ultrasonic cleaners, and acids.
Can you use an ultrasonic cleaner on Dioptase?
No. Dioptase can be damaged by ultrasonic or steam cleaners. Stick to warm soapy water and a soft cloth.
Does Dioptase scratch easily?
Dioptase rates 5 on the Mohs scale. That is on the softer side, so handle and store it carefully.