Updated as of June 2026
How to clean and care for Kyanite
Has variable hardness and perfect cleavage. Clean with a soft damp cloth. Avoid ultrasonic cleaners and knocks.
Step by step
- Fill a bowl with warm water and a few drops of mild dish soap.
- Soak the piece briefly, then gently brush with a soft toothbrush. Be gentle, this stone is softer.
- Rinse in clean water (keep a strainer over the drain) and pat dry with a lint-free cloth.
- Store in a soft pouch away from harder gems that could scratch it.
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Frequently asked questions
How do you clean Kyanite?
Has variable hardness and perfect cleavage. Clean with a soft damp cloth. Avoid ultrasonic cleaners and knocks.
Can you use an ultrasonic cleaner on Kyanite?
No. Kyanite can be damaged by ultrasonic or steam cleaners. Stick to warm soapy water and a soft cloth.
Does Kyanite scratch easily?
Kyanite rates 6 on the Mohs scale. That is on the softer side, so handle and store it carefully.