AltGems
Updated as of June 2026

How to clean and care for Moonstone

Soft and brittle. Clean with a damp soft cloth and mild soap. Avoid ultrasonic cleaners, heat, and hard knocks.

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 Moonstone?
Soft and brittle. Clean with a damp soft cloth and mild soap. Avoid ultrasonic cleaners, heat, and hard knocks.
Can you use an ultrasonic cleaner on Moonstone?
No. Moonstone can be damaged by ultrasonic or steam cleaners. Stick to warm soapy water and a soft cloth.
Does Moonstone scratch easily?
Moonstone rates 6 on the Mohs scale. That is on the softer side, so handle and store it carefully.