Quick answer: Dust crystals with a soft dry brush or microfiber cloth. Keep coated (aura) and soft stones dry, keep amethyst and other color-sensitive stones out of strong direct sun, and store pieces so points don't knock together.
Dust, don't scrub
A soft makeup brush reaches between cluster points without breaking them. Polished towers just need a wipe with a microfiber cloth.
Which stones to keep dry
Coated aura quartz, selenite and other soft or porous stones should not be soaked. Hard quartz can be rinsed briefly and dried right away.
Sun and color
Amethyst, rose quartz and some fluorite can fade in strong direct sunlight over time, so keep them on a shaded shelf.
Storage
Store raw stones in a dish or pouch and keep clusters apart so the points don't chip.
Frequently asked questions
Can I use soap on crystals?
Mild soapy water is fine for hard, uncoated quartz; skip it for coated or soft stones.
Why is my amethyst getting paler?
Long exposure to strong sunlight can fade amethyst. Move it out of direct sun.
How often should I dust crystals?
Every few weeks, or whenever they look dull.
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