Celestite: water, sunlight and care
Celestite tolerates only a brief rinse; running-water cleansing is not suggested. Celestite can fade in sunlight, so keep it out of direct sun.
Celestite at a glance
| What it is | SrSO₄ |
|---|---|
| Hardness (Mohs) | 3–3.5 of 10 |
| Water | A brief rinse only. |
| Sunlight | Light-sensitive; fades. |
How to care for Celestite
- Moonlight: In tradition, stones are left in moonlight overnight, especially around the full moon.
- Sound: In tradition, a bell or a singing bowl is rung near the stone.
- Celestite tolerates only a brief rinse; running-water cleansing is not suggested.
- Celestite can fade in sunlight; keep it out of direct sun.
- Sunlight cleansing is not suggested for any stone: many fade, and a missing record does not mean a stone is sun-safe.
- Salt is not suggested: it can harm porous and soft stones.
Questions
Is Celestite safe in water?
Celestite tolerates only a brief rinse; running-water cleansing is not suggested.
Can Celestite go in the sun?
Celestite can fade in sunlight; keep it out of direct sun.
How hard is Celestite?
Celestite is 3–3.5 on the Mohs scale of 10.
Sources
- gemsociety.orgAccessed 14 October 2026
- mindat.orgAccessed 14 October 2026
- gemsociety.orgAccessed 14 October 2026
- gemsociety.orgAccessed 14 October 2026