Updated as of June 2026
How to clean and care for Smoky Quartz
Durable but color can lighten in strong sunlight. Clean with warm soapy water and a soft brush. Avoid prolonged light.
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. Reach behind the stone where buildup hides.
- 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 Smoky Quartz?
Durable but color can lighten in strong sunlight. Clean with warm soapy water and a soft brush. Avoid prolonged light.
Can you use an ultrasonic cleaner on Smoky Quartz?
No. Smoky Quartz can be damaged by ultrasonic or steam cleaners. Stick to warm soapy water and a soft cloth.
Does Smoky Quartz scratch easily?
Smoky Quartz rates 7 on the Mohs scale. That is moderately hard; avoid storing it loose with harder gems.