AltGems
Updated as of June 2026

How to clean and care for Tanzanite

Relatively soft and sensitive to knocks. Clean with warm soapy water and a soft cloth only. Never use ultrasonic or steam cleaners.

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.
Keep it sparkling
Shop gentle jewelry cleaning kits
Shop now

You may also like

7.8

Sapphire

Blue · Mohs 9
6.8

Amethyst

Purple · Mohs 7
6.8

Aquamarine

Blue · Mohs 7.75

Frequently asked questions

How do you clean Tanzanite?
Relatively soft and sensitive to knocks. Clean with warm soapy water and a soft cloth only. Never use ultrasonic or steam cleaners.
Can you use an ultrasonic cleaner on Tanzanite?
No. Tanzanite can be damaged by ultrasonic or steam cleaners. Stick to warm soapy water and a soft cloth.
Does Tanzanite scratch easily?
Tanzanite rates 6.5 on the Mohs scale. That is on the softer side, so handle and store it carefully.